1 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
3 * config/sh/lib1funcs-4-300.asm: Guard entire file with
6 2006-11-05 Jakub Jelinek <jakub@redhat.com>
9 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
12 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
15 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
16 as a valid 80387 constant.
17 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
18 * config/i386/i386.md (unnamed splitter): Split the load of
19 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
22 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
24 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
25 from the soft-frame, argument and virtual registers.
27 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
29 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
30 patterns for standard 80387 constants.
32 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
33 Steven Bosscher <steven@gcc.gnu.org>
36 * Makefile.in: Add fwprop.o.
37 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
38 * passes.c (init_optimization_passes): Schedule forward propagation.
39 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
41 * timevar.def (TV_FWPROP): New.
42 * common.opt (-fforward-propagate): New.
43 * opts.c (decode_options): Enable forward propagation at -O2.
44 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
45 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
46 canon_for_address, table_size): Remove.
47 (new_basic_block, insert, remove_from_table): Remove references to
49 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
50 simplification loop more straightforward by not calling fold_rtx
52 (equiv_constant): Move here a small part of fold_rtx_subreg,
53 do not call fold_rtx. Call avoid_constant_pool_reference
55 * recog.h (canonicalize_change_group): New.
57 * doc/invoke.texi (Optimization Options): Document fwprop.
58 * doc/passes.texi (RTL passes): Document fwprop.
60 2006-11-03 Geoffrey Keating <geoffk@apple.com>
62 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
63 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
64 (grokdeclarator): Likewise.
66 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
68 * tree-dump.c (dump_enable_all): Rename local variable
69 ir_type to avoid name conflicts.
70 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
71 instead of using ir_type().
72 * profile.c (tree_register_profile_hooks): Likewise.
73 * value-prof.c (tree_register_value_prof_hooks): Likewise.
74 * basic-block.h (struct edge_def): Likewise.
75 * config/arm/arm.c (legitimize_pic_address): Likewise.
76 * coretypes.h (ir_type): New enum of all intermediate languages
78 * cfghooks.c (ir_type): Rename to...
79 (current_ir_type): ...this. Distinguish between cfgrtl and
80 cfglayout mode when the current IR is RTL. Return enum ir_type.
81 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
83 2006-11-03 Paul Brook <paul@codesourcery.com>
85 * config/arm/arm.c (arm_file_start): New function.
86 (TARGET_ASM_FILE_START): Define.
87 (arm_default_cpu): New variable.
88 (arm_override_options): Set arm_default_cpu.
90 2006-11-03 David Ung <davidu@mips.com>
92 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
93 PROCESSOR_24KC and PROCESSOR_24KF.
94 * config/mips/mips.c (mips_cpu_info_table): Add processor names
95 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
96 (mips_rtx_cost_data): Add costs for the 24kc.
97 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
98 * config/mips/24k.md: Remove references to 24k and replace with
99 uses of 24kc/24kf in the appropriate reservations.
100 * doc/invoke.texi (MIPS Options): Updated.
102 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
104 * config/sh/crt1.asm: Fix #ifdef indent.
106 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
107 Merged from STMicroelectronics sources:
108 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
109 * config/sh/crt1.asm (vbr_600): Add missing #if.
110 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
111 * sh.opt (mfused-madd): New option.
112 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
113 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
114 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
115 Remove pointless handler at VBR+0.
116 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
117 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
118 fr7. Make sure the timer handler is called with the correct FPU
119 precision setting, according to the ABI.
120 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
121 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
122 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
123 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
124 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
125 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
126 zero as second operand.
127 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
128 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
129 Fixed some bugs related to negative values, in particular -0
130 and overflow at -0x80000000.
131 * config/sh/divcost-analysis: Added sh4-300 figures.
132 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
133 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
134 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
135 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
136 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
137 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
139 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
141 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
142 SH4-300 scheduling description & fixes to SH4-[12]00 description:
143 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
144 mac_mem, mem_mac, dfp_mul, fp_cmp.
145 (insn_class, dfp_comp, any_fp_comp): Update.
146 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
147 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
148 (muldf3_i): Likewise.
149 (movsi_i): Split rI08 alternative into two separate alternatives.
151 (movsi_ie, movsi_i_lowpart): Likewise.
152 (movqi_i): Split ri alternative into two separate alternatives.
154 * sh1.md (sh1_load_store, sh1_fp): Update.
155 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
156 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
157 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
158 (sh4a_fp_double_arith): Likewise.
159 * sh4-300.md: New file.
160 * sh.c (sh_handle_option): Handle m4-300* options.
161 (sh_adjust_cost): Fix latency of auto-increments.
162 Handle SH4-300 differently than other SH4s. Check for new insn types.
163 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
164 been set by an option.
165 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
166 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
167 (mbranch-cost=): Likewise.
168 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
170 * sh.md (mulsf3): Remove special expansion code.
171 (mulsf3_ie): Now a define_insn_and_split.
172 (macsf3): Allow for TARGET_SH4.
174 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
175 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
176 (expand_cbranchdi4): Likewise.
177 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
178 CONST_DOUBLE if the outer code is COMPARE.
179 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
180 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
181 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
182 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
183 Remove redundant fp_{zero,one}_operand checks.
184 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
185 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
186 (expand_cbranchdi4): Likewise.
187 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
188 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
190 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
192 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
195 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
197 * doc/invoke.texi: Fix mfp-trap-mode typo.
199 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
201 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
202 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
203 file_end_indicate_exec_stack.
204 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
206 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
207 for a non-executable stack.
208 * crti.asm: Likewise.
209 * crtn.asm: Likewise.
210 * libunwind.S: Likewise.
212 2006-11-02 Ben Elliston <bje@au.ibm.com>
214 * tree-ssa.c (warn_uninit): Use expand_location variables for
215 locus and declaration locus.
217 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
220 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
221 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
222 cmp{eq,gt,gtu}{si,di}_media.
223 (*cmpne0si_media): Remove.
224 (*movsicc_umin): Adjust gen_cmp*_media call.
225 (unordered): Change the mode of unordered and operands[1] to
227 (seq): Adjust gen_cmp*_media calls. Make the mode of
228 a temporary result of compare SImode if needed. If the mode
229 of operands[0] is DImode, extend the temporary result to DImode.
230 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
231 (sunorderd): Change the mode of match_operand and unorderd to
233 (cmpeq{sf,df}_media): Remove.
234 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
235 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
236 and compare operation to SImode.
238 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
240 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
242 (sparc64-sun-solaris2*): Likewise.
244 2006-11-02 Paul Brook <paul@codesourcery.com>
246 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
247 from priority argument. Use different section for non-default
249 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
251 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
254 * except.c (switch_to_exception_section): Do not cache the section
255 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
256 and flag_function_sections is set.
258 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
261 * builtins.c (do_mpfr_sincos): New.
262 (fold_builtin_1): Use it to fold builtin sincos.
264 2006-11-01 Roger Sayle <roger@eyesopen.com>
266 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
267 it into -D_REENTRANT.
269 2006-11-01 Roger Sayle <roger@eyesopen.com>
271 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
272 whether the assembler supports taking the difference of symbols in
273 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
274 * configure: Regenerate.
275 * config.in: Regenerate.
276 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
277 the assembler doesn't support taking the difference of symbols in
278 different sections, i.e. we're using the native solaris assembler.
280 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
281 Peter Bergner <bergner@vnet.ibm.com>
283 * doc/invoke.texi: Add cpu_type power6x
284 (RS/6000 and PowerPC Options): Add -mmfpgpr.
285 * config.gcc: Add cpu_type power6x.
286 * configure.ac: Add test for mf{t,f}gpr instructions.
287 (HAVE_AS_MFPGPR): New.
288 * config.in: Regenerate.
289 * configure: Regenerate.
290 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
291 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
292 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
293 and mftgpr attributes.
294 (define_attr "cpu"): Add power6.
295 Change instruction sequences to use new attributes.
296 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
297 (fix_truncdfsi2_mfpgpr): New.
298 (floatsidf_ppc64_mfpgpr): New.
299 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
300 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
301 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
302 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
303 (fix_truncdfsi2): Use gpc_reg_operand constraint.
304 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
305 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
306 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
307 cntlz,exts and var_delayed_compare.
308 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
309 _ARCH_PWR6X, if features enabled.
310 * config/rs6000/rs6000.opt (mmfpgpr): New.
311 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
312 (cached_can_issue_more): New variable.
313 (processor_costs): Add power6_cost.
314 (rs6000_sched_init): New function.
315 (is_dispatch_slot_restricted): Deleted.
316 (set_to_load_agen): New function.
317 (is_load_insn,is_store_insn): New functions.
318 (adjacent_mem_locations): New function.
319 (insn_must_be_first_in_group): New function.
320 (insn_must_be_last_in_group): New function.
321 (rs6000_sched_reorder): New function.
322 (rs6000_sched_reorder2): New function.
323 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
324 TARGET_SCHED_REORDER2): Define.
325 (processor_target_table): Use PROCESSOR_POWER6 for power6.
326 Add power6x. Add MASK_MFPGPR for power6x.
327 (POWERPC_MASKS): Add MASK_MFPGPR.
328 (rs6000_override_options): Set rs6000_always_hint to false
329 for power6. Set rs6000_align_branch_targets. Replace
330 rs6000_sched_groups check with rs6000_align_branch_targets.
331 Use PROCESSOR_POWER6.
332 (last_scheduled_insn): New variable.
333 (load_store_pendulum): New variable.
334 (rs6000_variable_issue): Set last_scheduled_insn and
335 cached_can_issue_more.
336 (rs6000_adjust_cost): Add power6 cost adjustments.
337 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
338 with insn_must_be_first_in_group. Add power6 priority adjustments.
339 (rs6000_issue_rate): Add CPU_POWER6.
340 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
341 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
342 (TARGET_MFPGPR): New.
343 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
344 (ASM_CPU_SPEC): Add power6x.
345 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
347 * config/rs6000/power6.md: New file.
349 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
351 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
352 HOST_WIDE_INT_PRINT to print high and low parts. Use
353 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
354 printing a hexadecimal number prefix it with 0x.
356 2006-11-01 Chris Johns <chris@contemporary.net.au>
359 * Makefile.in (install-driver): Use exeext when installing
360 $target-gcc-$version.
362 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
364 * c-common.c (flag_cpp0x): New.
365 * c-common.h (flag_cpp0x): New.
366 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
367 supported, define __GXX_EXPERIMENTAL_CPP0X__.
368 * c-opts.c (set_std_cxx0x): New.
369 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
370 * c.opt (std=c++0x): Document.
371 (std=gnu++0x): Ditto.
372 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
373 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
375 2006-11-01 Richard Guenther <rguenther@suse.de>
377 * config/i386/i386.c (ix86_expand_rint): Fix issues with
379 (ix86_expand_floorceildf_32): Likewise.
380 (ix86_expand_floorceil): Likewise.
381 (ix86_expand_trunc): Likewise.
383 2006-10-31 Andrew Pinski <pinskia@gmail.com>
385 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
388 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
390 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
392 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
394 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
396 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
397 * configure.ac (use_cxa_atexit): As a special case, don't test
398 for libc definition of __cxa_atexit on mingw32
399 * configure: Regenerate.
400 * config.gcc (i[34567]86-pc-mingw32): Default to
401 enable__cxa_atexit=yes.
403 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
405 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
407 2006-10-31 Geoffrey Keating <geoffk@apple.com>
410 * c-decl.c (start_struct): Don't create self-containing
412 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
414 * config/rs6000/rs6000-protos.h
415 (darwin_rs6000_special_round_type_align): New.
416 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
417 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
419 2006-10-31 Geoffrey Keating <geoffk@apple.com>
421 * toplev.c (compile_file): Call final_write_globals
422 even if there have been errors.
424 2006-10-31 Eric Christopher <echristo@apple.com>
425 Falk Hueffner <falk@debian.org>
427 * doc/extend.texi (__builtin_bswap32): Document.
428 (__builtin_bswap64): Ditto.
429 * doc/libgcc.texi (bswapsi2): Document.
431 * doc/rtl.texi (bswap): Document.
432 * optabs.c (expand_unop): Don't widen a bswap.
433 (init_optabs): Init bswap. Set libfuncs explicitly
434 for bswapsi2 and bswapdi2.
435 * optabs.h (OTI_bswap): New.
436 (bswap_optab): Ditto.
437 * genopinit.c (optabs): Handle bswap_optab.
438 * tree.h (tree_index): Add TI_UINT32_TYPE and
440 (uint32_type_node): New.
441 (uint64_type_node): Ditto.
442 * tree.c (build_common_tree_nodes_2): Initialize
443 uint32_type_node and uint64_type_node.
444 * builtins.c (expand_builtin_bswap): New.
445 (expand_builtin): Call.
446 (fold_builtin_bswap): New.
447 (fold_builtin_1): Call.
448 * fold-const.c (tree_expr_nonnegative_p): Return true
450 * builtin-types.def (BT_UINT32): New.
452 (BT_FN_UINT32_UINT32): Ditto.
453 (BT_FN_UINT64_UINT64): Ditto.
454 * builtins.def (BUILT_IN_BSWAP32): New.
455 (BUILT_IN_BSWAP64): Ditto.
456 * rtl.def (BSWAP): New.
457 * genattrtab.c (check_attr_value): New.
458 * libgcc2.c (__bswapSI2): New.
460 * libgcc2.h (__bswapSI2): Declare.
462 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
463 * simplify-rtx.c (simplify_const_unary_operation): Return
465 * libgcc-std.ver (__bwapsi2): Add.
467 * reload1.c (eliminate_regs_1): Add bswap.
468 (elimination_effects): Ditto.
469 * config/i386/i386.h (x86_bswap): New.
471 * config/i386/i386.c (x86_bswap): Set.
473 2006-10-31 Geoffrey Keating <geoffk@apple.com>
475 * coverage.c (coverage_checksum_string): Update comment.
476 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
477 of get_file_function_name.
478 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
479 of get_file_function_name_long.
480 * tree.c (get_file_function_name): Rename from
481 get_file_function_name_long; improve comment; handle 'I' and 'D'
482 specially when the target has ctor/dtor support; remove special
484 (get_file_function_name): Remove.
485 * tree.h (get_file_function_name): Rename from
486 get_file_function_name_long.
487 (get_file_function_name): Remove prototype.
489 2006-10-31 Geoffrey Keating <geoffk@apple.com>
491 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
492 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
494 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
495 Call dsymutil when compiling and linking one or more source files
498 2006-10-31 Geoffrey Keating <geoffk@apple.com>
501 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
503 2006-10-31 Geoffrey Keating <geoffk@apple.com>
505 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
506 inline static functions in c99 mode.
509 * doc/extend.texi (Inline): Update.
510 * c-tree.h (struct language_function): Remove field 'extern_inline'.
511 * c-decl.c (current_extern_inline): Delete.
512 (pop_scope): Adjust test for an undefined nested function.
513 Add warning about undeclared inline function.
514 (diagnose_mismatched_decls): Update comments. Disallow overriding
515 of inline functions in a translation unit in C99. Allow inline
516 declarations in C99 at any time.
517 (merge_decls): Boolize variables. Handle C99 'extern inline'
519 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
520 C99 inline semantics.
521 (start_function): Don't clear current_extern_inline. Don't set
523 (c_push_function_context): Don't push current_extern_inline.
524 (c_pop_function_context): Don't restore current_extern_inline.
527 * c-typeck.c (build_external_ref): Warn about static variables
528 used in extern inline functions.
529 * c-decl.c (start_decl): Warn about static variables declared
530 in extern inline functions.
532 2006-10-31 Roger Sayle <roger@eyesopen.com>
535 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
536 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
537 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
538 or y is an even integer.
540 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
543 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
544 * gthr-posix95.h (__gthread_active_p): Likewise.
546 2006-10-31 Richard Guenther <rguenther@suse.de>
548 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
549 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
550 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
551 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
552 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
553 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
554 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
555 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
558 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
560 * opts.c (decode_options): Disable CSE skip blocks.
562 2006-10-30 Dirk Mueller <dmueller@suse.de>
564 * c-common.h (strict_aliasing_warning): Fix whitespace.
565 * c-decl (start_function): Move code for main decl warning ..
566 * c-common.c (check_main_parameter_types): .. here.
567 * c-common.h (check_main_parameter_types): Declare.
569 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
572 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
574 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
576 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
577 be a PARALLEL containing sets. Return false when out_pat is not
580 2006-10-30 Richard Sandiford <richard@codesourcery.com>
582 * config/mips/mips.md (mul<mode>3): Split into...
583 (mulsi3, muldi3): ...these separate patterns.
585 2006-10-30 Richard Sandiford <richard@codesourcery.com>
587 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
588 but with each set of options separated by spaces.
590 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
592 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
593 dwarf_reg_size_table has been initialized.
595 2006-10-30 Roger Sayle <roger@eyesopen.com>
597 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
598 * ddg.c (print_ddg_edge): Likewise.
599 * dwarf2out.c (prune_unused_types_walk): Likewise.
600 * ifcvt.c (noce_try_cmove_arith): Likewise.
601 * langhooks.c (add_builtin_function): Likewise.
602 * reg-stack.c (subst_stack_regs_pat): Likewise.
603 * tree.c (expanded_location): Likewise.
604 * tree-dump.c (dequeue_and_dump): Likewise.
606 2006-10-30 David Daney <ddaney@avtrex.com>
608 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
610 2006-10-30 Jakub Jelinek <jakub@redhat.com>
612 PR tree-optimization/29637
613 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
614 of the innertype is the innertype itself.
616 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
618 * dwarf2out.c (file_name_acquire): Correct typo.
620 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
622 * tree.h (tree_value_handle): Remove struct value_set declaration.
623 Change value_set to bitmap_set.
624 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
625 * tree-vn.c (get_value_handle): Made inline and moved to
627 * tree-flow-inline.h: (has_stmt_ann): New function.
628 * tree-ssa-pre.c (expressions): New variable.
629 (next_expression_id): Ditto.
630 (alloc_expression_id): New function.
631 (struct value_set): Remove.
632 (get_expression_id): New function.
633 (get_or_alloc_expression_id): Ditto.
634 (expression_for_id): Ditto.
635 (clear_expression_ids): Ditto.
636 (FOR_EACH_EXPR_ID_IN_SET): New macro.
637 (bb_value_sets): Renamed to bb_bitmap_sets.
638 All value sets replaced with bitmap_sets.
640 (BB_VISITED): New macro.
641 (postorder): New variable.
642 (add_to_value): Removed.
643 (value_exists_in_set_bitmap): Ditto.
644 (value_insert_into_set_bitmap): Ditto.
648 (set_contains_value): Ditto.
649 (insert_into_set): Ditto.
651 (find_leader): Ditto.
652 (bitmap_set_subtract_from_value_set): Ditto.
653 (value_insert_into_set): Ditto.
654 (print_value_set): Ditto.
655 (debug_value_set): Ditto.
656 (constant_expr_p): New function.
657 (bitmap_remove_from_set): Ditto.
658 (bitmap_insert_into_set): Ditto.
659 (bitmap_set_free): Ditto.
661 (sorted_array_from_bitmap_set): Ditto.
662 (bitmap_set_subtract): Ditto.
663 (bitmap_set_equal): Ditto.
664 (debug_bitmap_set): Ditto.
665 (find_leader_in_sets): Ditto.
666 (bitmap_set_replace_value): Modify for bitmapped sets.
667 (phi_translate): Ditto.
668 (phi_translate_set): Ditto.
669 (bitmap_find_leader): Ditto.
670 (valid_in_sets): Ditto.
671 (union_contains_value): Ditto.
673 (compute_antic_aux): Ditto. Mark changed blocks.
674 (compute_antic): Ditto. Iterate in postorder and only over
676 (compute_rvuse_and_antic_safe): Reuse postorder.
677 (create_component_ref_by_pieces): Modify for bitmapped sets.
678 (find_or_generate_expression): Ditto.
679 (create_expression_by_pieces): Ditto.
680 (insert_into_preds_of_block): Ditto.
681 (changed_blocks): New variable.
682 (do_regular_insertion): Broken out from insert_aux.
683 (insert_aux): Modified for bitmapped sets.
684 (find_existing_value_expr): New function.
685 (create_value_expr_from): Use it.
686 (insert_extra_phis): Removed.
687 (print_bitmap_set): Renamed from bitmap_print_value_set.
688 (compute_avail): Handle RETURN_EXPR.
689 (init_pre): Modify for bitmapped sets.
690 * tree-flow.h (has_stmt_ann): New function.
692 2006-10-29 Roger Sayle <roger@eyesopen.com>
694 * builtins.c (fold_builtin_floor): Check for the availability of
695 the C99 trunc function before transforming floor into trunc.
697 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
699 * builtins.c (fold_builtin_hypot): Rearrange recursive
700 transformation before others, and also do ABS_EXPR. When
701 necessary, check flag_unsafe_math_optimizations. When necessary,
704 2006-10-29 Roger Sayle <roger@eyesopen.com>
706 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
707 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
708 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
709 Fold -X eq/ne -Y as X eq/ne Y.
711 2006-10-29 Richard Sandiford <richard@codesourcery.com>
713 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
714 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
715 rather than GENERATE_MULT3_SI in the various define_peephole2s.
716 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
717 Use an inclusive test for "mult" rather than "mul".
718 (rotr<mode>3): Depend on ISA_HAS_ROR.
719 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
721 (GENERATE_MULT3_DI): Delete.
722 (ISA_HAS_64BIT_REGS): Use consistent formatting.
723 (ISA_HAS_MUL3): New macro.
724 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
725 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
726 (ISA_HAS_CLZ_CLO): Likewise.
727 (ISA_HAS_DCLZ_DCLO): Delete.
728 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
729 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
730 the VR4120 and VR4130.
731 (ISA_HAS_MACCHI): Use consistent formatting.
732 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
733 (ISA_HAS_ROR): ...this new macro.
734 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
735 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
736 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
738 2006-10-29 Roger Sayle <roger@eyesopen.com>
740 PR tree-optimization/15458
741 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
744 2006-10-29 Richard Guenther <rguenther@suse.de>
746 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
747 (ix86_expand_truncdf_32): Likewise.
748 * config/i386/i386.c (ix86_expand_trunc): New function expanding
749 trunc inline for SSE math and -fno-trapping-math and if not
751 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
752 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
753 for expanding btrunc inline for SSE math.
755 2006-10-29 Joseph Myers <joseph@codesourcery.com>
757 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
758 Handle tuning for bi-arch i[34567]86-*-linux* like that for
759 i[34567]86-*-solaris2.1[0-9]*.
760 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
761 Define conditionally depending on TARGET_64BIT_DEFAULT.
762 (SPEC_32, SPEC_64): Define.
763 (LINK_SPEC): Use them.
764 * doc/install.texi (--enable-targets=all): Document for x86-linux.
766 2006-10-29 Richard Guenther <rguenther@suse.de>
768 * config/i386/i386-protos.h (ix86_expand_round): Declare.
769 (ix86_expand_rounddf_32): Likewise.
770 * config/i386/i386.c (ix86_expand_round): New function expanding
771 round inline for SSE math and -fno-trapping-math and if not
773 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
774 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
775 round via ix86_expand_round.
777 2006-10-29 Richard Guenther <rguenther@suse.de>
779 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
780 (ix86_expand_floorceildf_32): Likewise.
781 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
782 static helper function.
783 (ix86_expand_floorceil): Expander for floor and ceil to SSE
785 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
786 * config/i386/i386.md (floordf2): Adjust to enable floor
787 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
788 -fno-trapping-math is enabled and if not optimizing for size.
789 (floorsf2, ceildf2, ceilsf2): Likewise.
790 * config/i386/sse.md (sse_maskcmpsf3): New insn.
791 (sse2_maskcmpdf3): Likewise.
793 2006-10-29 Richard Guenther <rguenther@suse.de>
795 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
796 rint in case -fno-trapping-math is enabled.
797 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
798 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
799 (ix86_expand_sse_fabs): Likewise.
800 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
801 * config/i386/i386.md (rintdf2): Enable for SSE math if
802 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
805 2006-10-29 Richard Guenther <rguenther@suse.de>
807 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
808 to conversion optabs.
809 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
811 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
812 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
813 (lfloor_optab, lceil_optab): Adjust defines.
814 * builtins.c (expand_builtin_int_roundingfn): Adjust for
815 lfloor and lceil optabs now being conversion optabs.
816 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
817 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
818 New static helper function.
819 (ix86_expand_lfloorceil): New function to expand lfloor and
821 * config/i386/i386.md (lfloor<mode>2): Split into ...
822 (lfloorxf<mode>2): ... x87 variant
823 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
824 using ix86_expand_lfloorceil.
825 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
827 * doc/md.texi (lfloorMN, lceilMN): Document.
829 2006-10-29 Richard Sandiford <richard@codesourcery.com>
831 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
832 -mno-shared assembler option on mips targets.
833 * configure, config.in: Regenerate.
834 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
835 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
836 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
838 2006-10-29 Richard Sandiford <richard@codesourcery.com>
840 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
841 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
843 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
845 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
846 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
849 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
852 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
853 (fold_builtin_pow): Evaluate constant arguments at compile-time
855 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
856 (do_mpfr_ckconv): New helper function.
857 (do_mpfr_arg1): Use do_mpfr_ckconv.
860 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
863 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
864 (-fdump-rtl-sched): Rename to ..
865 (-fdump-rtl-sched1): here. Also fix file extension number.
867 2006-10-28 Richard Guenther <rguenther@suse.de>
869 * fold-const.c (maybe_canonicalize_comparison): Fix code
872 2006-10-28 Uros Bizjak <uros@kss-loka.si>
874 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
875 (NON_QI_REG_P): Use IN_RANGE.
876 (REX_INT_REGNO_P): Use IN_RANGE.
877 (FP_REGNO_P): Use IN_RANGE.
878 (SSE_REGNO_P): Use IN_RANGE.
879 (REX_SSE_REGNO_P): Use IN_RANGE.
880 (MMX_REGNO_P): Use IN_RANGE.
881 (STACK_REGNO_P): New macro.
882 (STACK_REG_P): Use STACK_REGNO_P.
883 (NON_STACK_REG_P): Use STACK_REGNO_P.
884 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
885 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
886 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
887 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
888 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
890 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
892 * except.h (output_function_exception_table): Add 'const char*' param.
893 * except.c (switch_to_exception_section): Add 'const char*' param.
894 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
895 and flag_function_sections is set, use a function-specific section.
896 (output_function_exception_table): Add 'const char*' param.
897 Adjust call to switch_to_exception_section.
898 * final.c (rest_of_handle_final): Adjust calls to
899 output_function_exception_table.
900 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
901 * config.in: Regenerate.
902 * configure: Likewise.
904 2006-10-28 Richard Guenther <rguenther@suse.de>
907 * fold-const.c (maybe_canonicalize_comparison_1): Helper
908 for maybe_canonicalize_comparison.
909 (maybe_canonicalize_comparison): New function for canonicalizing
911 (fold_comparison): Call it to canonicalize comparisons with
914 2006-10-28 Richard Guenther <rguenther@suse.de>
917 * builtins.c (expand_builtin_int_roundingfn_2): Expand
918 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
919 (expand_builtin): Adjust likewise.
920 * genopinit.c (optabs[]): Add lround optab.
921 * optabs.c (init_optabs): Initialize lround_optab.
922 * optabs.h (enum convert_optab_index): Add COI_lround.
923 (lround_optab): Define.
924 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
925 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
927 (ix86_expand_lround): New function.
928 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
930 * doc/md.texi (lroundMN2): Document.
932 2006-10-28 Uros Bizjak <uros@kss-loka.si>
935 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
936 argument to HOST_WIDE_INT. Update function prototype.
937 (round_frame_size): Change return type to HOST_WIDE_INT. Change
938 "size" argument to HOST_WIDE_INT. Update function prototype.
940 2006-10-28 Uros Bizjak <uros@kss-loka.si>
942 * config/i386/i386.c (output_387_ffreep): Create output from a
943 template string for !HAVE_AS_IX86_FFREEP.
945 2006-10-27 Eric Christopher <echristo@apple.com>
947 * config/darwin.c: Fix formatting and grammar.
949 2006-10-27 Jan Hubicka <jh@suse.cz>
951 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
952 to be thrown away soon when IGNORE is set.
953 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
954 indicating when return value shall not be computed.
955 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
957 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
959 * config/i386/i386.h (TARGET_GEODE):
960 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
961 (TARGET_CPU_DEFAULT_geode): New macro.
962 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
963 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
964 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
965 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
966 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
968 (TARGET_CPU_DEFAULT_NAMES): Add geode.
969 (processor_type): Add PROCESSOR_GEODE.
971 * config/i386/i386.md: Include geode.md.
974 * config/i386/i386.c (geode_cost): New initialized global
976 (m_GEODE, m_K6_GEODE): New macros.
977 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
978 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
979 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
980 x86_schedule): Use m_K6_GEODE instead of m_K6.
981 (x86_movx, x86_cmove): Set up m_GEODE.
982 (x86_integer_DFmode_moves): Clear m_GEODE.
983 (processor_target_table): Add entry for geode.
984 (processor_alias_table): Ditto.
986 * config/i386/geode.md: New file.
988 * doc/invoke.texi: Add entry about geode processor.
990 2006-10-27 Mike Stump <mrs@apple.com>
992 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
993 __DYNAMIC__ from here back to ...
994 * config/darwin.h (CPP_SPEC): ... here.
996 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
997 Nathan Sidwell <nathan@codesourcery.com>
999 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1000 when choosing the minimum heapsize.
1002 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1004 * gcc/unwind-dw2.h: Move cfa-related variables into
1005 struct frame_state_reg_info to ensure that the CFA is properly
1006 handled when executing DW_CFA_{remember,restore}_state.
1007 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1008 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1009 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1010 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1011 gcc/config/rs6000/linux-unwind.h,
1012 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1013 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1014 Modify to use new cfa_* fields.
1016 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1018 * config/s390/s390.c (s390_init_frame_layout): Check positive
1021 2006-10-26 Ben Elliston <bje@au.ibm.com>
1023 * gimplify.c (get_name): Remove extraneous break.
1024 (gimplify_omp_for): Initialise ret with GS_OK.
1026 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1028 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1029 Add unix98.o to link line.
1031 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1034 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1035 Calculate compile-time constants using MPFR.
1036 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1037 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1039 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1041 * config/xtensa/lib2funcs.S: Use C-style comments.
1043 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1045 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1046 (file_table_relative_p): Likewise.
1047 (dwarf2out_finish): Likewise.
1048 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1050 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1052 * tree-ssa-structalias.c (intra_create_variable_infos):
1053 Don't recreate nonlocal_all if it already exists.
1055 2006-10-25 Richard Guenther <rguenther@suse.de>
1058 * optabs.h (enum optab_index): Remove OTI_lrint.
1059 (enum convert_optab_index): Add COI_lrint.
1060 (lrint_optab): Adjust.
1061 (expand_sfix_optab): Declare.
1062 * optabs.c (expand_sfix_optab): New function.
1063 (init_optabs): Init lrint_optab as conversion optab.
1064 * genopinit.c (lrint_optab): Change to a conversion optab.
1065 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1066 expansion via conversion optab.
1067 * config/i386/i386.md (*fistdi2_1): Remove
1068 flag_unsafe_math_optimizations guard.
1069 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1070 fist<mode>2_with_temp): Likewise.
1071 (lrint<mode>2): Split into...
1072 (lrintxf<mode>2): ... x87 part
1073 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1074 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1075 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1076 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1077 * doc/md.texi (lrintMN2): Document.
1079 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1082 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1083 Use inc and dec instructions for TARGET_USE_INCDEC.
1084 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1085 ("sync_double_compare_and_swap<mode>"): Likewise.
1086 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1087 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1088 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1089 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1090 ("sync_old_add<mode>"): Likewise.
1091 ("sync_lock_test_and_set<mode>"): Likewise.
1092 ("sync_lock_test_and_set<mode>"): Likewise.
1093 ("sync_add<mode>"): Likewise.
1094 ("sync_sub<mode>"): Likewise.
1095 ("sync_ior<mode>"): Likewise.
1096 ("sync_and<mode>"): Likewise.
1097 ("sync_xor<mode>"): Likewise.
1099 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1101 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1102 (remainder_optab): Define corresponding macro.
1103 (drem_optab): Remove.
1104 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1105 drem_optab initialization.
1106 * genopinit.c (optabs): Implement remainder_optab using
1107 remainder?f3 patterns. Remove drem_optab.
1108 * builtins.c (expand_builtin_mathfn_2): Handle
1109 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1110 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1111 expand_builtin_mathfn_2.
1113 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1114 depend on flag_unsafe_math_optimizations.
1116 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1117 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1118 Do not depend on flag_unsafe_math_optimizations. Use
1119 truncxf?f expander instead of truncxf?f_i387_noop.
1121 ("fpremxf4", "fprem1xf4"): Do not depend on
1122 flag_unsafe_math_optimizations.
1123 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1124 flag_unsafe_math_optimizations. Use truncxf?f expander
1125 instead of truncxf?f_i387_noop.
1127 * doc/md.texi (fmod, remainder): Document standard named pattern.
1129 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1130 David Daney <ddaney@avtrex.com>
1133 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1135 2006-10-25 Ben Elliston <bje@au.ibm.com>
1137 * doc/extend.texi (Variable Attributes): Typo fix.
1139 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1141 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1142 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1143 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1144 (FRAME_POINTER_REGNUM): Update register number to 21.
1145 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1146 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1148 * config/i386/i386.c (regclass_map): Add fpcr entry.
1149 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1151 (print_reg): Assert REGNO (x) != FPCR_REG.
1153 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1154 (DIRFLAG_REG): Renumber.
1155 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1156 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1157 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1158 hardcoded SSE register numbers.
1160 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1161 hardcoded MMX register numbers.
1163 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1166 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1167 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1169 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1170 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1171 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1172 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1174 2006-10-24 Richard Guenther <rguenther@suse.de>
1177 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1178 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1179 for deciding optimizations in consistency with fold-const.c
1180 (fold_builtin_unordered_cmp): Likewise.
1182 2006-10-24 Richard Guenther <rguenther@suse.de>
1184 * builtins.c (fold_builtin_floor): Fold floor (x) where
1185 x is nonnegative to trunc (x).
1186 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1187 nonnegative to FIX_TRUNC_EXPR.
1189 2006-10-24 Richard Guenther <rguenther@suse.de>
1191 PR tree-optimization/29567
1192 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1193 for TRUTH_NOT_EXPR. Clarify comments.
1195 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1198 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1199 at compile-time using MPFR. Change parameter VALUE to FUNC,
1201 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1202 for overflow and underflow at all times and avoid folding in
1205 2006-10-24 Ben Elliston <bje@au.ibm.com>
1207 * reload1.c: Formatting fixes.
1209 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1211 PR tree-optimization/14784
1212 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1213 * tree-ssa-structalias.c (get_constraint_for,
1214 intra_create_variable_infos): Set is_heapvar.
1215 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1216 non-heapvar pointer variables specially.
1218 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1221 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1222 fold_builtin_tan): Fold all constant arguments. Take a "type"
1223 argument as necessary.
1224 (do_mpfr_arg1): New.
1225 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1227 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1229 * config/xtensa/lib1funcs.asm: Use C-style comments.
1231 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1233 * tree.c (local_define_builtin): Replace calls to
1234 lang_hooks.builtin_function with add_builtin_function.
1235 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1237 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1239 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1240 common code to add_builtin_function.
1241 * langhooks.c (add_builtin_function): New function.
1242 (lhd_builtin_function): New function.
1243 * langhooks.h (struct lang_hooks): Change the signature of
1245 (add_builtin_function): New function.
1246 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1247 calls to lang_hooks.builtin_function with add_builtin_function.
1248 * c-common.c (decl_builtin_1): Replace calls to
1249 lang_hooks.builtin_function with add_builtin_function.
1250 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1251 lang_hooks.builtin_function with add_builtin_function.
1252 * config/frv/frv.c (def_builtin): Replace calls to
1253 lang_hooks.builtin_function with add_builtin_function.
1254 * config/s390/s390.c (s390_init_builtins): Replace calls to
1255 lang_hooks.builtin_function with add_builtin_function.
1256 * config/sparc/sparc.c (def_builtin): Replace calls to
1257 lang_hooks.builtin_function with add_builtin_function.
1258 * config/i386/i386.c (def_builtin): Replace calls to
1259 lang_hooks.builtin_function with add_builtin_function.
1260 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1261 lang_hooks.builtin_function with add_builtin_function.
1262 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1263 lang_hooks.builtin_function with add_builtin_function.
1264 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1265 Replace calls to lang_hooks.builtin_function with
1266 add_builtin_function.
1267 * config/iq2000/iq2000.c (def_builtin):
1268 Replace calls to lang_hooks.builtin_function with
1269 add_builtin_function.
1270 * config/ia64/ia64.c (def_builtin): Replace calls to
1271 lang_hooks.builtin_function with add_builtin_function.
1272 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1273 lang_hooks.builtin_function with add_builtin_function.
1274 (altivec_init_builtins): Replace calls to
1275 lang_hooks.builtin_function with add_builtin_function.
1276 * config/arm/arm.c (def_mbuiltin): Replace calls to
1277 lang_hooks.builtin_function with add_builtin_function.
1278 (arm_init_tls_builtins): Replace calls to
1279 lang_hooks.builtin_function with add_builtin_function.
1280 * config/mips/mips.c (mips_init_builtins): Replace calls to
1281 lang_hooks.builtin_function with add_builtin_function.
1282 * config/bfin/bfin.c (def_builtin): Replace calls to
1283 lang_hooks.builtin_function with add_builtin_function.
1284 * langhooks-def.h (lhd_builtin_function): New function.
1285 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1287 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1289 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1290 BUILT_IN_STRNCAT_CHK.
1292 2006-10-23 Jan Hubicka <jh@suse.cz>
1294 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1295 don't do conversion from memmove to memcpy here.
1296 (expand_builtin_bcopy, expand_builtin): Update call of
1297 expand_builtin_memmove.
1298 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1300 2006-10-23 Paul Brook <paul@codesourcery.com>
1302 * stor-layout.c (start_record_layout): maximum_field_alignment
1303 overrides STRUCTURE_SIZE_BOUNDARY.
1305 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1307 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1308 nonlocal function symbols if flag_pic.
1310 2006-10-23 Richard Guenther <rguenther@suse.de>
1314 * builtins.c (fold_binary): Remove checks for flag_wrapv
1315 and flag_trapv where negate_expr_p covers these cases.
1317 2006-10-23 Richard Guenther <rguenther@suse.de>
1320 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1321 of two on the absolute value.
1322 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1323 and negating -C does not overflow.
1325 2006-10-23 Richard Guenther <rguenther@suse.de>
1328 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1329 only if not flag_rounding_math.
1331 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1332 Kaz Kojima <kkojima@gcc.gnu.org>
1335 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1336 SImode memory reference for the source of a movua.
1337 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1338 (movua): Use an unspec instead of sign_extract. Expect the source
1339 to have mode BLKmode.
1340 (extv, insv): Use a BLKmode rather than SImode memory reference
1341 for the source of a movua.
1343 2006-10-22 Jeff Law <law@redhat.com>
1344 Richard Guenther <rguenther@suse.de>
1346 PR tree-optimization/15911
1347 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1348 (register_edge_assert_for_1): Likewise.
1349 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1350 (find_conditional_asserts): Adjust for new function signature.
1351 (find_assert_locations): Likewise.
1353 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1355 * config/i386/tmmintrin.h: Remove the duplicated content.
1357 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1359 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1360 (x86_64-*-*): Likewise.
1362 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1363 (override_options): Check SSSE3.
1364 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1365 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1366 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1367 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1368 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1369 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1370 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1371 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1372 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1373 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1374 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1375 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1376 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1377 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1378 IX86_BUILTIN_PABSD128.
1379 (bdesc_2arg): Add SSSE3.
1380 (bdesc_1arg): Likewise.
1381 (ix86_init_mmx_sse_builtins): Support SSSE3.
1382 (ix86_expand_builtin): Likewise.
1383 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1385 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1386 (UNSPEC_PSIGN): Likewise.
1387 (UNSPEC_PALIGNR): Likewise.
1388 Include mmx.md before sse.md.
1390 * config/i386/i386.opt: Add -mssse3.
1392 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1393 (ssse3_phaddwv4hi3): Likewise.
1394 (ssse3_phadddv4si3): Likewise.
1395 (ssse3_phadddv2si3): Likewise.
1396 (ssse3_phaddswv8hi3): Likewise.
1397 (ssse3_phaddswv4hi3): Likewise.
1398 (ssse3_phsubwv8hi3): Likewise.
1399 (ssse3_phsubwv4hi3): Likewise.
1400 (ssse3_phsubdv4si3): Likewise.
1401 (ssse3_phsubdv2si3): Likewise.
1402 (ssse3_phsubswv8hi3): Likewise.
1403 (ssse3_phsubswv4hi3): Likewise.
1404 (ssse3_pmaddubswv8hi3): Likewise.
1405 (ssse3_pmaddubswv4hi3): Likewise.
1406 (ssse3_pmulhrswv8hi3): Likewise.
1407 (ssse3_pmulhrswv4hi3): Likewise.
1408 (ssse3_pshufbv16qi3): Likewise.
1409 (ssse3_pshufbv8qi3): Likewise.
1410 (ssse3_psign<mode>3): Likewise.
1411 (ssse3_psign<mode>3): Likewise.
1412 (ssse3_palignrti): Likewise.
1413 (ssse3_palignrdi): Likewise.
1414 (abs<mode>2): Likewise.
1415 (abs<mode>2): Likewise.
1417 * config/i386/tmmintrin.h: New file.
1419 * doc/extend.texi: Document SSSE3 built-in functions.
1421 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1423 2006-10-22 Ira Rosen <irar@il.ibm.com>
1425 * tree-vect-transform.c (vectorizable_load): Use the type of the
1426 return value of the mask_for_load builtin to create realign_load
1429 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1431 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1434 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1436 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1437 (UNSPEC_LDDQU): This.
1438 * config/i386/sse.md (sse3_lddqu): Updated.
1440 2006-10-21 Richard Guenther <rguenther@suse.de>
1442 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1443 (expand_builtin): Use it to expand lrint instead of
1444 expand_builtin_mathfn.
1446 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1449 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1450 flag_unsafe_math_optimizations is set.
1452 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1455 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1456 patterns to use memory input operand in x87->mem->XMM
1457 reload sequences. Skip transformation for TARGET_K8.
1459 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1461 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1462 force operand1 to register if both operands are memory operands.
1463 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1464 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1465 if both operands are memory operands.
1466 (truncdfsf2): Do not force operand1 to register if both operands
1467 are memory operands.
1469 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1471 * Makefile.in (LIBS): Add $(GMPLIBS).
1472 * doc/install.texi: Update GMP and MPFR requirements.
1473 * doc/sourcebuild.texi (need_gmp): Delete.
1475 2006-10-21 Richard Guenther <rguenther@suse.de>
1477 PR tree-optimization/3511
1478 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1479 got new invariant arguments during PHI translation.
1481 2006-10-21 Richard Guenther <rguenther@suse.de>
1484 * fold-const.c (fold_comparison): Fold signed comparisons
1485 of the form X +- C1 CMP Y +- C2.
1487 2006-10-21 Richard Guenther <rguenther@suse.de>
1490 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1491 if flag_unsafe_math_optimizations is specified. We have
1492 flag_finite_math_only for that.
1493 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1494 or flag_unsafe_math_optimizations.
1496 2006-10-21 Richard Guenther <rguenther@suse.de>
1498 * builtins.c (fold_builtin_classify): Fix typo.
1500 2006-10-21 Richard Guenther <rguenther@suse.de>
1503 * simplify-rtx.c (simplify_const_relational_operation):
1504 Do not constant-fold ORDERED and UNORDERED for
1505 flag_unsafe_math_optimizations but only we do not need to
1506 honor NaNs for the given mode.
1508 2006-10-21 Richard Guenther <rguenther@suse.de>
1511 * config/i386/i386.c (classify_argument): Remove redundant
1512 walking of the BINFOs.
1513 (contains_128bit_aligned_vector_p): Likewise.
1515 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1517 * BASE-VER: Set to 4.3.0.
1519 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1521 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1522 (tree_decl_with_vis): Remove artificial_pta_var flag.
1523 * tree-flow.h (referenced_var_check_and_insert): Expose.
1524 (nonlocal_all): New prototype.
1525 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1526 (nonlocal_all): Make global.
1527 (nonlocal_lookup): Remove.
1528 (nonlocal_insert): Ditto.
1529 (create_nonlocal_var): Do not call nonlocal_insert.
1530 (get_nonlocal_id_for_type): Remove.
1531 (find_global_initializers): Mark new vars we find for renaming.
1532 (intra_create_variable_infos): Only create one nonlocal.
1533 (expand_nonlocal_solutions): Remove.
1534 (compute_points_to_sets): Don't call it.
1535 (ipa_pta_execute): Ditto.
1536 (init_alias_heapvars): Don't create nonlocal_for_type.
1537 (delete_alias_heapvars): Don't remove it.
1538 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1541 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1543 * doc/install.texi (Downloading GCC): Clarify mention of
1544 Fortran in the "full distribution" description.
1546 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1548 Fix PR tree-optimization/28778
1549 Fix PR tree-optimization/29156
1550 Fix PR tree-optimization/29415
1551 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1552 (tree_decl_with_vis): Add artificial_pta_var flag.
1553 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1554 pushed into callers.
1555 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1556 (nonlocal_all): Ditto.
1557 (struct variable_info): Add directly_dereferenced member.
1558 (var_escaped_vars): New variable.
1559 (escaped_vars_tree): Ditto.
1560 (escaped_vars_id): Ditto.
1561 (nonlocal_vars_id): Ditto.
1562 (new_var_info): Set directly_dereferenced.
1563 (graph_size): New variable
1564 (build_constraint_graph): Use graph_size.
1565 (solve_graph): Don't process constraints that cannot change the
1566 solution, don't try to propagate an empty solution to our
1568 (process_constraint): Set directly_dereferenced.
1569 (could_have_pointers): New function.
1570 (get_constraint_for_component_ref): Don't process STRING_CST.
1571 (nonlocal_lookup): New function.
1572 (nonlocal_insert): Ditto.
1573 (create_nonlocal_var): Ditto.
1574 (get_nonlocal_id_for_type): Ditto.
1575 (get_constraint_for): Allow results vector to be empty in the case
1576 of string constants.
1577 Handle results of calls properly.
1578 (update_alias_info): Update alias info stats on number and type of
1580 (find_func_aliases): Use could_have_pointers.
1581 (make_constraint_from_escaped): Renamed from
1582 make_constraint_to_anything, and changed to make constraints from
1584 (make_constraint_to_escaped): New function.
1585 (find_global_initializers): Ditto.
1586 (create_variable_info_for): Make constraint from escaped to any
1587 global variable, and from any global variable to the set of
1589 (intra_create_variable_infos): Deal with escaped instead of
1590 pointing to anything.
1591 (set_uids_in_ptset): Do type pruning on directly dereferenced
1593 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1594 (init_base_vars): Fix comment, and initialize escaped_vars.
1595 (need_to_solve): Removed.
1596 (find_escape_constraints): New function.
1597 (expand_nonlocal_solutions): Ditto.
1598 (compute_points_to_sets): Call find_escape_constraints and
1599 expand_nonlocal_solutions.
1600 (delete_points_to_sets): Don't fall off the end of the graph.
1601 (init_alias_heapvars): Initialize nonlocal_for_type and
1603 (delete_alias_heapvars): Free nonlocal_for_type and null out
1606 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1608 * fold-const.c (add_double): Rename to add_double_with_sign.
1609 Add 'unsigned_p' parameter and take it into account for the overflow.
1610 (mul_double): Rename to mul_double_with_sign.
1611 Add 'unsigned_p' parameter and take it into account for the overflow.
1612 (fold_div_compare): Call add_double_with_sign instead of add_double
1613 and mul_double_with_sign instead of mul_double, passing them the
1614 unsignedness of the type.
1615 * tree.h (add_double): Macroize.
1616 (add_double_with_sign): New prototype.
1617 (mul_double): Macroize.
1618 (mul_double_with_sign): New prototype.
1620 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1622 * config/score/crti.asm: New file.
1623 * config/score/crtn.asm: New file.
1624 * config/score/elf.h: New file.
1625 * config/score/mac.md: New file.
1626 * config/score/misc.md: New file.
1627 * config/score/mul-div.S: New file.
1628 * config/score/predicates.md: New file.
1629 * config/score/score7.md: New file.
1630 * config/score/score.c: New file.
1631 * config/score/score-conv.h: New file.
1632 * config/score/score.h: New file.
1633 * config/score/score.md: New file.
1634 * config/score/score-mdaux.c: New file.
1635 * config/score/score-mdaux.h: New file.
1636 * config/score/score-modes.def: New file.
1637 * config/score/score.opt: New file.
1638 * config/score/score-protos.h: New file.
1639 * config/score/score-version.h: New file.
1640 * config/score/t-score-elf: New file.
1641 * config.gcc: Add score*-*-* configurations(Update before).
1642 * doc/invoke.texi (Score Options): New section.
1643 * doc/md.texi (Score family): New section to document constraints.
1645 2006-10-19 Nick Clifton <nickc@redhat.com>
1647 * config/arm/arm.c: Fix spelling typo.
1649 2006-10-18 Tom Tromey <tromey@redhat.com>
1651 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1653 2006-10-18 Jan Hubicka <jh@suse.cz>
1656 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1659 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1661 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1662 TSI_SAME_STMT, since that's the desired entity.
1664 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1666 * config/s390/contraints.md: New file.
1667 * config/s390/s390-protos.h (s390_mem_constraint,
1668 s390_O_constraint_str, s390_N_constraint_str,
1669 s390_float_const_zero_p): Function prototypes added.
1670 * config/s390/s390.c (s390_extra_constraint_str,
1671 s390_const_double_ok_for_constraint_p,
1672 s390_const_ok_for_constraint_p): Functions removed.
1673 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1674 s390_float_const_zero_p): New functions.
1675 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1676 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1677 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1678 Macro definitions removed.
1679 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1680 s390_extra_constraint_str): Functions removed.
1682 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1683 Richard Sandiford <richard@codesourcery.com>
1686 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1687 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1689 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1691 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1692 (DWARF2_FRAME_REG_OUT): Likewise.
1693 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1694 (DWARF2_FRAME_REG_OUT): Likewise.
1696 2006-10-17 Paul Brook <paul@codesourcery.com>
1698 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1700 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1702 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1703 Standardize on "GNU Fortran" as the official name of the Fortran
1706 2006-10-16 Mike Stump <mrs@apple.com>
1708 * doc/invoke.texi (Darwin Options): Document -mkernel.
1709 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1711 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1712 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1713 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1714 (OS_MISSING_ALTIVEC): Add.
1715 * config/i386/i386.c (override_options): Add
1716 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1717 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1718 -mkernel, -static or -mdynamic-no-pic is given.
1719 (C_COMMON_OVERRIDE_OPTIONS): Add.
1720 * config/darwin.opt (fapple-kext): Add.
1722 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1723 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1725 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1726 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1727 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1728 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1729 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1730 (flag_mkernel): Add.
1731 (flag_apple_kext): Add.
1732 (TARGET_KEXTABI): Add.
1733 * config/darwin.c (darwin_handle_kext_attribute): Add.
1734 (DARWIN_VTABLE_P): Add.
1735 (darwin_binds_local_p): Add partial support for rebinding vtables
1737 (darwin_kextabi_p): Add.
1738 (darwin_override_options): Add.
1739 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1740 (darwin_kextabi_p): Add.
1741 (darwin_override_options): Add.
1742 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1743 __DYNAMIC__ and __STATIC__ here.
1745 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1747 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1748 Added mention of "make pdf" target, and Texinfo requirements for
1751 2006-10-16 DJ Delorie <dj@redhat.com>
1753 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1754 into the GOT in case we need a subreg of the address.
1756 2006-10-16 Richard Guenther <rguenther@suse.de>
1759 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1760 SSE builtin documentation. Document SSE2 builtins.
1762 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1764 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1765 symbol in the output file for non-shared links when -nostdlib or
1766 -nodefaultlibs isn't specified.
1768 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1769 posix thread support.
1771 2006-10-15 Jan Hubicka <jh@suse.cz>
1774 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1775 declared always_inline even when not inlining.
1777 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1778 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1779 Andrew Pinski <pinskia@gmail.com>
1782 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1784 2006-10-15 Jan Hubicka <jh@suse.cz>
1785 Richard Guenther <rguenther@suse.de>
1788 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1789 process_function_and_variable_attributes on all variables, including
1790 those discovered during cgraph construction phase.
1792 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1794 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1796 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1798 * config/i386/athlon.md (athlon_fist): Add fisttp.
1800 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1801 Ian Lance Taylor <ian@airs.com>
1804 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1805 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1808 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1810 * config/score/score.c, config/score/score.h: Fix comment
1813 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1816 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1819 2006-10-13 Eric Christopher <echristo@apple.com>
1821 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1823 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1826 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1827 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1828 alignment supported by 32-bit ELF.
1830 2006-10-13 Eric Christopher <echristo@apple.com>
1832 * config/darwin.c (darwin_emit_unwind_label): Strip
1833 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1835 2006-10-13 Richard Guenther <rguenther@suse.de>
1837 PR tree-optimization/29446
1838 * tree-vrp.c (fix_equivalence_set): Remove.
1839 (extract_range_from_assert): Do not call fix_equivalence_set.
1840 (debug_value_range): Print a newline.
1841 (compare_name_with_value): For equivalence sets with
1842 inconsistent value ranges conservatively bail out.
1843 (compare_names): Likewise.
1845 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1847 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1848 and MPFR for gfortran.
1850 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1852 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1853 alignment supported by 32-bit ELF.
1855 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1859 * c-typeck.c (digest_init): Always allow initializing vectors
1860 that have static storage duration with compound literals.
1861 * tree.c (build_type_attribute_qual_variant): New, based on
1862 build_type_attribute_variant.
1863 (build_type_attribute_variant): Rewrite using the former.
1864 (make_vector_type): Use build_type_attribute_qual_variant to build
1865 type variants. Use type_hash_canon on the others.
1867 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1868 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1870 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1872 2006-10-12 Jan Hubicka <jh@suse.cz>
1875 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1876 current_function_decl is set but current_function_scope is not.
1878 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1880 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1881 emit_insn to emit eh_return_internal instruction.
1882 (eh_return_internal): Explicitly set pc.
1884 2006-10-11 Richard Guenther <rguenther@suse.de>
1886 PR tree-optimization/28230
1887 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1888 to the correct place.
1890 2006-10-11 Richard Guenther <rguenther@suse.de>
1893 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1896 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1898 * configure.ac: Added pdf to "Make-hooks"
1899 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1900 targets and *.pdf file patterns in cleanup targets.
1901 * configure: Regenerated.
1903 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1905 * config/avr/predicates.md: New file.
1906 * config/avr/avr.md: Include it.
1907 (REG_SP): New constant.
1908 (peepholes): Use predicates.
1909 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1910 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1911 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1913 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1915 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1918 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1921 * builtins.c (var_decl_component_p): New function.
1922 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1923 single entry optimization to variables and components thereof.
1925 2006-10-10 Richard Guenther <rguenther@suse.de>
1927 PR rtl-optimization/29323
1928 * except.c (set_nothrow_function_flags): For functions
1929 that do not bind local bail out early.
1931 2006-10-10 Ben Elliston <bje@au.ibm.com>
1933 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1936 2006-10-09 Richard Henderson <rth@redhat.com>
1938 Revert emutls patch.
1940 2006-10-09 Richard Guenther <rguenther@suse.de>
1943 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1946 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1949 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1950 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1951 * configure: Regenerate.
1952 * config.in: Regenerate.
1954 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1956 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1958 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1960 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1961 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1962 Remove stray newline.
1964 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1966 * config/mips/mips.c (mips_classify_symbol): Do not return
1967 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1968 (mips_in_small_data_p): Tweak comments.
1970 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1972 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1974 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1976 * gimplify.c, sched-int.h: Fix comment typos.
1978 * sched-int.h: Fix comment typos.
1980 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1982 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1984 * sched-ebb.c (begin_schedule_ready): Use them.
1985 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1986 add_to_speculative_block, create_check_block_twin, speculate_insn,
1987 fix_jump_move, move_block_after_check): Ditto.
1988 * sched-rgn.c (new_ready): Ditto.
1990 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1992 PR rtl-optimization/29128
1993 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1994 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1995 allow interblock movement of speculation checks.
1997 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2000 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2001 casted to integer type.
2002 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2003 if they are significantly more expensive than [reg + index] ones.
2005 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2007 PR tree-optimization/29330
2008 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2009 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2010 on newly allocated ddrs.
2011 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2012 to VEC (loop_p, heap) pointer.
2013 (compute_data_dependences_for_loop): Adjust caller.
2014 (free_dependence_relations): Free DDR_LOOP_NEST.
2016 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2017 free DEPENDENCE_RELATIONS and DATAREFS.
2020 * builtins.c (expand_builtin_sync_operation,
2021 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2022 Use convert_to_mode to handle promoted arguments.
2024 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2026 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2028 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2030 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2032 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2034 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2035 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2036 Use <modeconstraint> instead of "r" as operand 1 constraint.
2038 2006-10-06 Olivier Hainque <hainque@adacore.com>
2040 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2041 Don't recurse on the pointed-to type.
2042 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2043 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2044 types with components of variable size.
2046 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2048 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2050 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2052 PR tree-optimization/29290
2053 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2057 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2058 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2061 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2062 the number of vector elements fill the rest with zeros.
2064 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2066 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2067 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2070 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2072 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2073 unnamed pattern into subsi3. Use correct constraints/predicates.
2074 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2075 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2077 2006-10-05 Ira Rosen <irar@il.ibm.com>
2079 * doc/loop.texi: Add data references analysis description.
2081 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2083 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2085 2006-10-04 Richard Henderson <rth@redhat.com>
2086 Jakub Jelinek <jakub@redhat.com>
2088 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2089 * builtin-types.def (BT_WORD): Make unsigned.
2090 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2091 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2092 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2093 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2094 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2095 * cgraph.c (decide_is_variable_needed): Look at force_output.
2096 Recurse for emulated tls.
2097 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2098 checks redundant with decide_is_variable_needed.
2099 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2100 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2102 * expr.c (emutls_var_address): New.
2103 (expand_expr_real_1): Expand emulated tls.
2104 (expand_expr_addr_expr_1): Likewise.
2105 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2106 * output.h (emutls_finish): Declare.
2107 * toplev.c (compile_file): Call it.
2108 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2109 address before wrapping in CONST.
2110 * varasm.c (emutls_htab, emutls_object_type): New.
2111 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2112 (get_emutls_object_name, get_emutls_object_type): New.
2113 (get_emutls_init_templ_addr, emutls_decl): New.
2114 (emutls_common_1, emutls_finish): New.
2115 (assemble_variable): When emulating tls, swap decls; generate
2116 constructor for the emutls objects.
2117 (do_assemble_alias): When emulating tls, swap decl and target name.
2118 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2120 * emutls.c: New file.
2121 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2122 tls_object for real tls.
2124 2006-10-04 Zack Weinberg <zackw@panix.com>
2126 Fix bug in constraint-check generator, reported by Rask Ingemann
2128 * genpreds.c (add_constraint): Don't remove anything from the
2130 (write_tm_constrs_h): Detect whether "op" argument is used, and
2131 mark it ARG_UNUSED if it isn't.
2132 (write_insn_const_int_ok_for_constraint): Skip the part of the
2133 expression that would test whether "op" (which is not available
2134 here) is a CONST_INT.
2136 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2139 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2141 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2143 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2144 current Leopard versions.
2145 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2147 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2149 * doc/install.texi: Fix typos.
2151 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2153 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2154 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2155 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2157 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2159 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2160 arg to be struct mach_header_64* instead.
2162 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2165 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2166 side effects after the outer expression's post side effects.
2168 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2170 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2171 comments to reflect actual behavior and relationship between
2172 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2174 * doc/c-tree.texi (Working with declarations): Fix documentation
2175 of FIELD_DECL likewise.
2177 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2180 * doc/extend.texi: Add used variable attribute description.
2182 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2185 * c.opt (Woverride-init): New.
2186 * c-opts.c (c_common_post_options): Default warn_override_init to
2188 * c-typeck.c (add_pending_init, output_init_element): Warn for
2189 overriding initializers without side effects.
2190 * doc/invoke.texi (-Woverride-init): Document.
2193 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2195 PR rtl-optimization/28096
2196 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2197 assignment has already been used as a destination earlier in the block.
2199 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2201 * builtins.c (expand_builtin_setjmp): Delete.
2202 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2203 <BUILT_IN_SETJMP_SETUP>: New case.
2204 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2205 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2206 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2207 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2208 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2209 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2210 (lower_function_body): Initialize it to false. If it is set to true
2211 at the end of the processing, emit the setjmp dispatcher.
2212 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2213 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2214 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2215 on the rhs of the assignment.
2216 (lower_builtin_setjmp): New function.
2217 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2218 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2219 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2220 to detect calls that can go to non-local labels. Use specific
2221 helper to create the abnormal edges associated with them.
2222 <MODIFY_EXPR>: Likewise.
2223 (make_abnormal_goto_edges): New function extracted from...
2224 (make_goto_expr_edges): ...here. Call it for computed gotos.
2225 (simple_goto_p): Minor tweak.
2226 (tree_can_make_abnormal_goto): New predicate.
2227 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2228 (tree_purge_dead_abnormal_call_edges): New function.
2229 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2230 (tree_purge_dead_abnormal_call_edges): Likewise.
2231 (make_abnormal_goto_edges): Likewise.
2232 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2233 Purge all dead abnormal edges if the call was in the last statement.
2234 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2235 (execute_fixup_cfg): If there are non-local labels in the function,
2236 scan the basic blocks and split them at calls that can go to non-local
2237 labels or add missing abnormal call edges. Write down the CFG in the
2239 (pass_fixup_cfg): Remove TODO_dump_func flag.
2240 * unwind-sjlj.c: Poison setjmp.
2241 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2242 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2243 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2244 (DONT_USE_BUILTIN_SETJMP): Document it.
2246 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2249 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2250 to 1 when __ppc64__ is defined.
2251 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2253 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2255 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2257 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2258 * config/ia64/unwind-hpux.c: Delete.
2260 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2262 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2263 on the element before gimplifying it, instead of punting if it is of
2266 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2268 * doc/loop.texi: New file.
2269 * doc/gccint.texi: Reference loop.texi.
2270 * Makefile.in (loop.texi): Add.
2272 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2274 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2276 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2277 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2279 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2281 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2283 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2285 * doc/install.texi: Document required versions of GMP and MPFR.
2287 2006-09-27 Paul Brook <paul@codesourcery.com>
2290 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2292 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2294 * reload1.c (alter_reg): Require the alignment of the stack slot to
2295 be at least reg_max_ref_width bytes.
2296 (scan_paradoxical_subregs): Record the largest width in
2299 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2303 * tree-nested.c (struct nesting_info): Added static_chain_added.
2304 (convert_call_expr): Set static_chain_added when adding static
2305 chain. Handle OMP_PARALLEL and OMP_SECTION.
2307 2006-09-25 Matthias Klose <doko@debian.org>
2309 * doc/invoke.texi: Add missing full stop.
2311 2006-09-25 Richard Henderson <rth@redhat.com>
2313 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2314 before cgraph_function_flags_ready.
2316 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2317 Adam Nemet <anemet@caviumnetworks.com>
2319 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2320 determine_common_wider_type): New functions.
2321 (get_computation_aff): Use them to simplify arithmetic between
2322 UBASE and CBASE if they are shortened from the same type.
2324 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2327 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2328 -2147483647 - 1 instead of 0x80000000.
2330 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2332 * flags.h (HONOR_NANS): Fix typo in comment.
2334 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2336 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2338 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2342 * tree.c (merge_attributes, attribute_list_contained): If both
2343 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2345 * c-typeck.c (comptypes_internal): Don't consider aggregates
2346 in different TUs as compatible if there one set of attributes is
2347 not a subset of the other type's attributes.
2348 (composite_type): Try harder not to create a new aggregate type.
2350 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2352 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2353 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2354 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2355 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2356 than replicating condition above.
2357 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2359 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2360 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2361 the linker by default.
2363 2006-09-22 Mike Stump <mrs@apple.com>
2365 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2368 2006-09-22 Richard Guenther <rguenther@suse.de>
2371 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2372 sort of stack variables stable.
2374 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2377 * explow.c (force_reg): Set REG_POINTER flag according to
2380 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2382 PR tree-optimization/28888
2383 * tree-if-conv.c (combine_blocks): Rewritten.
2384 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2385 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2387 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2389 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2392 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2394 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2396 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2398 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2400 2006-09-21 Roger Sayle <roger@eyesopen.com>
2403 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2404 dw_fde_current_label, to be the start of the function, i.e. the same
2405 value as dw_fde_begin.
2407 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2409 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2410 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2411 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2412 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2413 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2414 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2415 (abs<mode>2, neg<mode>2): Likewise.
2416 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2417 (*mips_abs_ps): New define_insn.
2419 2006-09-20 Josh Conner <jconner@apple.com>
2422 * calls.c (expand_call): Allow reuse of structure return stack
2425 2006-09-20 Paul Brook <paul@codesourcery.com>
2427 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2430 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2432 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2433 clean up terminology.
2435 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2438 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2439 with tablejumps in them.
2441 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2444 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2445 wrap it into TARGET_EXPR.
2447 2006-09-20 Eric Christopher <echristo@apple.com>
2449 * config/i386/i386.c (x86_fisttp): Remove.
2450 * config/i386/i386.h (x86_fisttp): Ditto.
2451 (TARGET_FISTTP): Ditto.
2453 2006-09-19 Eric Christopher <echristo@apple.com>
2455 * doc/tm.texi (OBJC_JBLEN): Describe.
2456 * config/i386/darwin.h (OBJC_JBLEN): Define.
2457 * config/rs6000/darwin.h: Ditto.
2459 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2461 PR rtl-optimization/21299
2462 * reload1.c (reload): Purge invalid ASMs in the final pass.
2464 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2467 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2468 pointers as legitimate constants.
2470 2006-09-19 Paul Brook <paul@codesourcery.com>
2473 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2475 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2477 PR tree-optimization/28887
2478 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2479 component parts from the reference.
2480 (gather_memory_references_ref): Record the reference without the
2481 nonaddressable component parts.
2483 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2486 * c-opts.c (c_common_handle_option): Ignore the -std options
2487 if the input language is assembly.
2489 2006-09-17 Ira Rosen <irar@il.ibm.com>
2492 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2494 (ptr_ptr_may_alias_p): Likewise.
2495 (record_record_differ_p): New function.
2496 (base_object_differ_p): Call record_record_differ_p.
2498 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2501 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2502 away for the expr argument.
2504 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2507 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2508 before using it for dumping after vectorizing loops.
2510 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2511 Jack Howarth <howarth@bromo.med.uc.edu>
2514 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2515 skip on error_mark_node.
2516 (rs6000_darwin64_record_arg_recurse): Likewise.
2518 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2520 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2521 * doc/rtl.texi: Remove related documentation.
2523 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2525 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2528 2006-09-15 Jim Wilson <wilson@specifix.com>
2530 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2531 Handle symbol offsets same as they are handled in ia64_expand_move
2534 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2536 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2537 Add forgotten parameter to the fprintf call.
2539 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2541 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2543 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2545 * doc/contrib.texi: Add my entry.
2547 2006-09-15 Nick Clifton <nickc@redhat.com>
2549 * doc/md.texi (Processor pipeline description): Fix typo in
2550 example of how to use the absence_set directive and reword the
2551 description to make it slightly easier to read.
2553 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2555 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2556 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2557 expanding the number of iterations.
2558 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2560 * cfgrtl.c (emit_insn_at_entry): New function.
2561 * rtl.h (emit_insn_at_entry): Declare it.
2562 * integrate.c (emit_initial_value_sets): Use it.
2564 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2566 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2568 (struct loop_work and related VEC declarations): Delete.
2569 (bfin_dump_loops): Print out new member bad.
2570 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2571 (bfin_scan_loop): Don't recurse.
2572 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2573 loops. No longer need to update outer loops if the current one is
2574 found bad. Move some validitiy checks to bfin_discover_loop.
2575 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2576 but changed not to check for nesting. Also changed to use the new bad
2578 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2579 time. Use bitmap based test to discover loop nesting.
2581 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2583 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2586 2006-09-14 Richard Guenther <rguenther@suse.de>
2587 Kazu Hirata <kazu@codesourcery.com>
2589 PR middle-end/28884.
2590 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2591 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2592 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2593 with TARGET_FUNCTION_VALUE.
2595 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2598 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2600 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2602 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2605 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2608 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2611 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2613 * basic_block.h (bb_has_eh_pred): Fix comment.
2615 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2617 * flow.c (calculate_global_regs_live): Invalidate eh registers
2618 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2619 (propagate_block): Handle eh registers as if they were set at basic
2621 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2623 * global.c (global_conflicts): Make eh registers to conflict with
2624 pseudos live at basic block begin.
2625 * basic_block.h (bb_has_eh_pred): New function.
2627 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2629 PR rtl-optimization/28982
2630 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2631 index of a PRE_MODIFY or POST_MODIFY address.
2632 * reload1.c (inc_for_reload): Use find_replacement on the original
2633 base and index registers.
2635 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2637 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2638 for -Os. Update __m128 alignment requirement.
2640 2006-09-13 Jan Hubicka <jh@suse.cz>
2642 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2644 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2646 PR rtl-optimization/28243
2647 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2648 the insn to which the note was originally attached.
2650 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2651 Roger Sayle <roger@eyesopen.com>
2653 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2654 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2655 on platforms that don't use dwarf for debug info.
2657 2006-09-12 Jason Merrill <jason@redhat.com>
2660 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2661 hard_frame_pointer_rtx after using it to update the frame pointer.
2663 2006-09-12 Roger Sayle <roger@eyesopen.com>
2665 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2666 (TARGET_ASM_CLOSE_PAREN): Likewise.
2667 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2668 (TARGET_ASM_CLOSE_PAREN): Likewise.
2670 2006-09-12 Roger Sayle <roger@eyesopen.com>
2673 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2674 frame information for frames larger than 512 Kbytes on Tru64 when
2675 using the native assembler.
2677 2006-09-12 Roger Sayle <roger@eyesopen.com>
2681 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2682 and symbols. Instead use the implementation from cse.c's hash_rtx.
2684 2006-09-12 Jan Hubicka <jh@suse.cz>
2686 PR rtl-optimization/28071
2687 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2688 (vect_transform_loop): Likewise.
2689 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2690 (new_loop_vec_info): Likewise.
2691 (destroy_loop_vec_info): Likewise.
2692 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2693 (create_stmt_ann): Likewise.
2694 (create_tree_ann): Rename to ...
2695 (create_tree_common_ann): ... this one; allocate only the common part
2697 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2698 (get_value_handle): Likewise.
2699 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2700 get_tree_common_ann.
2701 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2702 (vinfo_for_stmt): Use stmt annotations.
2703 * tree-flow.h (tree_ann_common_t): New type.
2704 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2705 (tree_ann, get_tree_ann, create_tree_ann): New.
2706 * tree-flow-inline.h (get_function_ann): Do more type checking.
2707 (stmt_ann): Likewise.
2708 (tree_ann): Rename to ...
2709 (tree_common_ann): ... this one; return ony common_ann
2710 (get_tree_ann): Rename to ...
2711 (tree_common_ann): This one; return only common_ann.
2712 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2715 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2717 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2718 with_cpu by default.
2720 * dwarf2out.c (dwarf_file_data): New.
2721 (enum dw_val_class): Add dw_val_class_file.
2722 (struct dw_val_struct): Add val_file.
2723 (file_table): Change to a hash table.
2724 (file_table_emitted): Delete.
2725 (file_table_last_lookup_index): Delete.
2726 (emitcount): Delete.
2727 (last_emitted_file): New.
2728 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2729 (init_file_table): Delete.
2730 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2731 (AT_addr): Add comment.
2735 (print_die): Handle dw_val_class_file.
2736 (print_dwarf_line_table): Update for new file table structure.
2737 (attr_checksum): Do checksum a filename.
2738 (same_dw_val_p, same_attr_p): Do compare a filename.
2739 (size_of_die): Handle dw_val_class_file.
2740 (value_format): Likewise.
2741 (output_die): Likewise. Also, call maybe_emit_file here.
2742 (struct file_info): Constify filenames. Make file_idx a pointer
2743 to a struct dwarf_file_data.
2744 (struct dir_info): Constify directory names. Remove 'used' field.
2745 (struct file_name_acquire_data): New.
2746 (file_name_acquire): New.
2747 (output_file_names): Modify to handle new file data structures.
2748 (add_src_coords_attributes): Use add_AT_file.
2749 (add_call_src_coords_attributes): Likewise.
2750 (dwarf2out_imported_module_or_decl): Likewise.
2751 (gen_subprogram_die): Modify for new file data structures.
2752 (gen_variable_die): Likewise.
2753 (file_table_eq): New.
2754 (file_table_hash): New.
2755 (file_table_last_lookup): New.
2756 (lookup_filename): Rewrite to handle new file data structures.
2757 (maybe_emit_file): Rewrite to handle new file data structures.
2758 (dwarf2out_source_line): Always call lookup_filename and
2760 (dwarf2out_init): Create file_table here.
2761 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2762 (file_table_relative_p): New.
2763 (dwarf2out_finish): Change detection of relative filenames
2764 to work with new file data structures. Move output_line_info call
2765 after debug_info output.
2767 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2772 * config/i386/i386.c (override_options): Always default to 16
2773 byte stack boundary.
2775 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2778 * var-tracking.c (dump_dataflow_set): Start dumping at
2780 (clobber_variable_part): Kill only the variable part in
2781 registers holding it, leaving other variables alone.
2783 2006-09-11 Josh Triplett <josh@freedesktop.org>
2785 * doc/extend.texi (Other Builtins): Actually use the macro
2786 argument in the documentation example for
2787 __builtin_types_compatible_p.
2789 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2791 PR rtl-optimization/28726
2792 * sched-deps.c (sched_analyze_reg): New function extracted from...
2793 (sched_analyze_1): ...here. Call it to analyze references to
2794 registers. Treat again writes to a stack register as writing to the
2796 (sched_analyze_2): ...and here. Call it to analyze references to
2797 registers. Treat again reads of a stack register as reading the
2800 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2801 David Edelsohn <edelsohn@gnu.org>
2804 * config/rs6000/spe.md (frob_df_di): Remove %H.
2805 (frob_di_df): Remove %H. Change evmergelo to mr.
2806 (frob_di_df_2): Remove %H. Change evldd to two loads.
2808 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2810 * doc/cpp.texi: Fix names of charset options.
2812 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2815 * config/i386/i386.c (override_options): Use 128-bit
2816 stack boundary always for 64bits.
2818 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2820 PR rtl-optimization/28636
2821 * combine.c (force_to_mode): Test for side-effects before
2822 substituting by zero.
2823 (simplify_shift_const): Likewise for zero or other constants.
2825 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2828 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2831 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2834 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2835 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2836 returned by mode_for_size, rather than the mode of src itself,
2837 to choose between 32-bit and 64-bit patterns.
2838 (mips_mem_fits_mode_p): New function.
2839 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2840 that the size of the source matches the size of the destination.
2841 (mov_<store>l, mov_<store>r): Likewise.
2843 2006-09-10 Eric Christopher <echristo@apple.com>
2845 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2848 2006-09-09 Eric Christopher <echristo@apple.com>
2851 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2854 2006-09-09 Roger Sayle <roger@eyesopen.com>
2855 Nicolas Setton <setton@adacore.com>
2857 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2859 2006-09-10 Andreas Schwab <schwab@suse.de>
2861 * config/m68k/m68k.md (bungt_rev): New pattern.
2863 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2864 Dale Johannesen <dalej@apple.com>
2867 * regclass.c (struct reg_pref): Update documentation.
2868 (regclass): Set prefclass to NO_REGS if memory is the best option.
2869 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2871 2006-09-08 Eric Christopher <echristo@apple.com>
2873 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2874 * config/t-slibgcc-darwin: Support x86_64 multilib.
2875 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2876 Return 1 for x86_64-darwin.
2877 * config/i386/t-darwin: Add m64 multilib.
2878 (LIB2_SIDITI_CONV_FUNCS): Use.
2879 (LIB2FUNCS_EXTRA): Ditto.
2880 * config/i386/darwin.h: Support x86_64.
2881 * config/i386/i386.c (override_options): Turn on flag_pic
2882 for x86_64-darwin. Disable flag_omit_pointer.
2883 (get_pc_thunk_name): Assert !TARGET_64BIT.
2884 (legitimate_address_p): Disable machopic addressing for
2886 (legitimize_pic_address): Ditto.
2887 (ix86_expand_move): Ditto.
2888 (ix86_expand_call): Ditto.
2889 (machopic_output_stub): Ditto.
2890 * config/darwin.c (machopic_select_section): Support literal16.
2891 (machopic_select_rtx_section): Ditto.
2892 * config/darwin-sections.def: Ditto.
2893 * config/darwin-64.c: New.
2895 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2898 * c-tree.h (struct c_arg_info): Add pending_sizes.
2899 * c-parser.c (c_parser_parms_declarator,
2900 c_parser_parms_list_declarator): Initialize pending_sizes.
2901 * c-decl.c (get_parm_info): Initialize pending_sizes.
2902 (get_parm_info): Set pending_sizes.
2903 (grokdeclarator): Call put_pending_sizes for parameters for
2904 function definition only.
2906 2006-09-07 Jason Merrill <jason@redhat.com>
2909 * varasm.c (output_constant): Only strip actual no-op conversions.
2912 * config/i386/i386.c (override_options): Use 128-bit
2913 stack boundary if -msse.
2915 2006-09-07 Eric Christopher <echristo@apple.com>
2917 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2919 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2922 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2924 * dwarf2out.c: Remove strange characters from comment above
2925 dwarf2out_frame_debug_expr.
2927 2006-09-07 Eric Christopher <echristo@apple.com>
2929 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2930 * config/darwin.h: ... to here.
2932 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2934 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2936 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2937 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2939 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2940 TARGET_PARTIAL_FLAG_REG_STALL.
2941 (*ashldi3_cconly_rex64): Likewise.
2942 (*ashlsi3_cmp): Likewise.
2943 (*ashlsi3_cconly): Likewise.
2944 (*ashlsi3_cmp_zext): Likewise.
2945 (*ashlhi3_cmp): Likewise.
2946 (*ashlhi3_cconly): Likewise.
2947 (*ashlqi3_cmp): Likewise.
2948 (*ashlqi3_cconly): Likewise.
2949 (*ashrdi3_cmp_rex64): Likewise.
2950 (*ashrdi3_cconly_rex64): Likewise.
2951 (*ashrsi3_cmp): Likewise.
2952 (*ashrsi3_cconly): Likewise.
2953 (*ashrsi3_cmp_zext): Likewise.
2954 (*ashrhi3_cmp): Likewise.
2955 (*ashrhi3_cconly): Likewise.
2956 (*ashrqi3_cmp): Likewise.
2957 (*ashrqi3_cconly): Likewise.
2958 (*lshrdi3_cmp_rex64): Likewise.
2959 (*lshrdi3_cconly_rex64): Likewise.
2960 (*lshrsi3_cmp): Likewise.
2961 (*lshrsi3_cconly): Likewise.
2962 (*lshrsi3_cmp_zext): Likewise.
2963 (*lshrhi3_cmp): Likewise.
2964 (*lshrhi3_cconly): Likewise.
2965 (*lshrqi2_cmp): Likewise.
2966 (*lshrqi2_cconly): Likewise.
2968 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2971 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2972 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2973 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2974 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2975 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2976 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2977 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2978 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2979 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2980 implement only CC setting effects of shift instructions.
2982 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2984 * doc/contrib.texi: Add myself.
2986 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2989 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2990 was set by the user.
2992 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2995 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2996 (divsi_inv_m1): Use them.
2997 (UNSPEC_DIV_INV_TABLE): New constant.
2999 2006-09-06 James E Wilson <wilson@specifix.com>
3002 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3003 then call count_or_remove_death_notes.
3005 2006-09-06 Jason Merrill <jason@redhat.com>
3008 * tree-inline.c (copy_result_decl_to_var): New fn.
3009 (declare_return_variable): Use it. Call declare_inline_vars here.
3010 (expand_call_inline): Not here.
3012 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3014 * doc/contrib.texi: Update my entry.
3016 2006-09-06 Nick Clifton <nickc@redhat.com>
3018 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3020 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3023 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3024 (canonicalize_induction_variables): Likewise.
3025 (tree_unroll_loops_completely): Likewise.
3026 (tree_ssa_prefetch_arrays): Likewise.
3027 (remove_empty_loops): Likewise.
3028 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3029 TODO_cleanup_cfg instead of directly calling
3030 cleanup_tree_cfg_loop.
3031 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3033 (tree_unroll_loops_completely): Likewise.
3034 (remove_empty_loops): Likewise.
3035 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3036 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3037 of tree_ssa_unswitch_loops.
3038 (tree_ssa_loop_ivcanon): Use the return value of
3039 canonicalize_induction_variables.
3040 (tree_ssa_empty_loop): Use the return value of
3042 (tree_complete_unroll): Use the return value of
3043 tree_unroll_loops_completely.
3044 (tree_ssa_loop_prefetch): Use the return value of
3045 tree_ssa_prefetch_arrays.
3046 * passes.c (execute_todo): Before Cleanup CFG, set
3047 updating_used_alone and after cleanup CFG, call
3048 recalculate_used_alone.
3050 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3053 * tree-vect-transform.c (vectorizable_condition): Move the check
3054 for the type after the check for simple condition.
3056 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3057 Kaz Kojima <kkojima@gcc.gnu.org>
3060 * mode-switching.c (optimize_mode_switching): Make the destination
3061 block of an abnormal edge have no anticipatable mode. Don't
3062 insert mode switching code at the end of the source block of
3065 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3067 PR rtl-optimization/26847
3068 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3069 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3070 (simplify_plus_minus): Count n_constants while filling ops. Replace
3071 qsort with insertion sort. Before going through the array to simplify
3072 pairs, sort it. Delay early exit until after the first sort, exiting
3073 only if no swaps occurred. Simplify pairs in reversed order, without
3074 special-casing the first iteration. Pack ops after simplifying pairs.
3076 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3078 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3079 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3080 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3081 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3083 2006-09-05 Richard Guenther <rguenther@suse.de>
3085 PR tree-optimization/28900
3086 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3087 compound conditional before creating COND_EXPR condition.
3089 2006-09-05 Richard Guenther <rguenther@suse.de>
3091 PR tree-optimization/28905
3092 * tree-vrp.c (fix_equivalence_set): Manually implement
3093 !value_ranges_intersect_p to also handle symbolic ranges.
3095 2006-09-05 Richard Guenther <rguenther@suse.de>
3098 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3101 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3103 PR rtl-optimization/27616
3104 * cse.c (table_size): New static variable.
3105 (new_basic_block): Initialize it to 0.
3106 (remove_from_table): Decrement it.
3107 (insert): Increment it.
3108 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3109 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3110 fold_rtx_mem_1 if under the cap.
3111 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3112 the lookup of the equivalent expression and test for equality of the
3113 first operand of the equivalent expression before in turn looking up
3114 an equivalent constant for the second operand.
3116 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3119 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3120 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3121 pointer, instead of assuming it is possible to derive the
3122 correct args size from a call insn.
3124 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3127 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3128 (fold_builtin_mempcpy): Rename to...
3129 (fold_builtin_memory_op): ... this. Optimize one element copy
3131 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3133 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3134 (expand_builtin_memcpy, expand_builtin_mempcpy,
3135 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3136 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3137 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3138 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3140 2006-09-01 DJ Delorie <dj@redhat.com>
3142 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3143 (stzx_16): Likewise.
3144 ("stzx_24_<mode>"): Likewise.
3145 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3146 ("cmp<mode>_op"): New.
3147 (cmp<mode>): Change to expander; just save operands.
3149 (b<code>): Change to expander, emit compare here.
3150 (s<code>_op): Change to use split and expander.
3151 (s<code>_24_op): Likewise.
3152 (s<code>_<mode>): New.
3153 (s<code>_<mode>_24): New.
3154 (movqicc_<code>_<mode): New.
3155 (movhicc_<code>_<mode>): New.
3158 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3159 (m32c_pend_compare): New.
3160 (m32c_unpend_compare): New.
3161 (m32c_expand_scc): New.
3162 (m32c_expand_movcc): Emit the compare also.
3163 * config/m32c/predicates.md (mra_nopp_operand): New.
3165 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3166 Richard Guenther <rguenther@suse.de>
3167 Adam Nemet <anemet@caviumnetworks.com>
3170 * builtins.c (get_pointer_alignment): Handle more forms
3171 of base addresses that can be used to derive more precise
3172 information about alignment.
3174 2006-09-01 Jason Merrill <jason@redhat.com>
3177 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3180 * gimplify.c (voidify_wrapper_expr): Handle null type.
3182 2006-09-01 Josh Conner <jconner@apple.com>
3185 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3186 (execute_return_slot_opt): Use it.
3188 2006-08-31 Josh Conner <jconner@apple.com>
3191 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3192 returning aggregates.
3194 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3196 PR tree-optimization/28839
3197 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3198 blocks in that phi arguments appear.
3200 2006-08-31 Roger Sayle <roger@eyesopen.com>
3203 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3204 NULL, otherwise use an advance_loc4 to adjust relative to the
3206 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3207 (dwarf2out_switch_text_section): Reset the current label to avoid
3208 using advance_loc4 over section boundaries.
3210 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3213 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3214 r12 + SYMBOLIC_CONST.
3216 2006-08-30 Richard Guenther <rguenther@suse.de>
3218 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3220 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3222 PR rtl-optimization/27735
3223 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3224 Add new argument to keep track of whether an irreducible region
3225 was affected. All callers changed.
3226 (fix_irreducible_loops): Removed.
3227 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3228 flags were invalidated.
3230 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3232 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3233 instead of SF operands.
3234 (*fop_df_comm_sse): Likewise.
3235 (*fop_df_comm_i387): Likewise.
3236 (*fop_df_1_mixed): Likewise.
3237 (*fop_df_1_sse): Likewise.
3239 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3240 J"orn Rennecke <joern.rennecke@st.com>
3242 PR tree-optimization/17506
3243 * tree-ssa.c (warn_uninit): If warning about a location outside of
3244 the current function, note where the variable was declared.
3246 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3248 PR tree-optimization/28411
3249 * double-int.c (double_int_div): Use double_int_divmod.
3250 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3251 double_int_mod, double_int_smod, double_int_umod): New functions.
3252 * double-int.h (double_int_divmod, double_int_sdivmod,
3253 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3255 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3257 (get_computation_aff, get_computation_cost_at): Handle double_int
3258 return type of constant_multiple_of.
3260 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3263 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3264 an implicit conversion.
3266 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3268 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3270 2006-08-27 Roger Sayle <roger@eyesopen.com>
3272 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3275 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3277 * config/i386/crtfastmath.c: Fix a comment typo.
3279 2006-08-26 Roger Sayle <roger@eyesopen.com>
3281 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3282 temporary visit flags on CASE_LABEL_EXPRs.
3283 * c-common.c (match_case_to_enum): Add function comment. Avoid
3284 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3285 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3286 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3287 a constant, only warn if that constant value isn't handled.
3289 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3292 * input.h (restore_input_file_stack): Declare.
3293 (INPUT_FILE_STACK_BITS): Define.
3294 * toplev.c (fs_p, input_file_stack_history,
3295 input_file_stack_restored, restore_input_file_stack): New.
3296 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3297 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3298 (pop_srcloc): Don't free old state of stack.
3300 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3303 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3304 (PowerPC Type Attributes): New.
3306 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3308 * config/xtensa/xtensa.c (function_arg_boundary): New.
3309 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3311 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3312 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3314 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3317 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3320 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3322 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3323 (verify_local_live_at_start): Likewise.
3325 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3328 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3329 omp_add_variable): Treat sizes as variable whenever not
3332 2006-08-26 Richard Guenther <rguenther@suse.de>
3335 * fold-const.c (fold_binary): Fold temporary to correct
3336 type before constructing new comparison.
3338 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3341 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3342 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3344 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3347 * c-decl.c (start_function): Don't try to process prototype
3348 information from old declaration that isn't a function.
3350 2006-08-25 Jan Hubicka <jh@suse.cz>
3353 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3355 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3358 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3361 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3363 PR tree-optimization/16876
3364 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3365 exit if PARM doesn't match VALUE.
3367 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3369 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3370 literal_prefix directive.
3371 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3372 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3373 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3375 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3378 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3379 predicate to general_operand. Add 0->y and I->r alternatives.
3381 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3383 * doc/tm.texi: Fix a typo.
3384 * predict.c: Fix comment typos.
3386 2006-08-25 Nick Clifton <nickc@redhat.com>
3388 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3389 assertions of "cpu" and "machine".
3391 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3394 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3395 the access through a base which has an alias set of 0 cannot
3398 2006-08-24 Bill Wendling <wendling@apple.com>
3400 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3402 2006-08-24 Jan Hubicka <jh@suse.cz>
3404 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3406 2006-08-24 Jan Hubicka <jh@suse.cz>
3409 * cgraph.c: Fix comments.
3410 (cgraph_varpool_mark_needed_node): Mark only variables not already
3412 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3413 (cgraph_varpool_assembled_nodes_queue): New static variable.
3414 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3415 (cgraph_varpool_output_debug_info): New function.
3416 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3417 * Makefile.in: Add gt-cgraphunit.h
3419 2006-08-24 Jan Hubicka <jh@suse.cz>
3421 * predict.c (probability_reliable_p): New predicate.
3422 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3423 (predict_loops): Do not predict loop exit with less than 2%
3425 * basic-block.h (edge_probability_reliable_p,
3426 br_prob_note_reliable_p): Declare.
3427 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3428 prediction when static predictor is not reliable.
3429 * rs6000.c (output_cbranch): Likewise.
3431 2006-08-23 Stuart Hastings <stuart@apple.com>
3434 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3435 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3437 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3440 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3441 complex values, nor for generic vector values.
3443 2006-08-22 Richard Guenther <rguenther@suse.de>
3446 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3447 parameter. Convert arguments to arithmetic expression to the
3449 (analyze_scalar_evolution_1): Adjust caller.
3451 2006-08-22 Jan Hubicka <jh@suse.cz>
3453 Patch by Paolo Bonzini
3454 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3457 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3459 PR tree-optimization/28003
3460 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3461 before grouping aliases.
3463 2006-08-22 Roger Sayle <roger@eyesopen.com>
3465 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3466 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3468 2006-08-21 Jason Merrill <jason@redhat.com>
3471 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3472 wrapper. Loop to handle nested wrappers.
3473 (gimplify_bind_expr): Remove temp parameter.
3474 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3475 and STATEMENT_LIST on the rhs.
3476 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3477 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3478 (gimplify_target_expr): Remove special BIND_EXPR handling.
3480 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3482 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3485 2006-08-21 Olivier Hainque <hainque@adacore.com>
3487 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3488 Arrange for the temporary captures of components overlapping the lhs
3489 to happen before the lhs is possibly cleared.
3491 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3493 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3494 necessary places to pass the correct "number of registers" values
3497 2006-08-20 Jan Hubicka <jh@suse.cz>
3499 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3500 (create_name_tags): Instead of quadratic checking use hashtable.
3501 * bitmap.h: Include hashtab.h.
3502 (bitmap_hash): Declare.
3503 * bitmap.c (bitmap_hash): New function.
3505 2006-08-20 Jan Hubicka <jh@suse.cz>
3507 PR rtl-optimization/28071
3508 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3510 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3511 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3512 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3513 cgraph_decide_inlining_incrementally): Update use of
3514 cgraph_check_inline_limits.
3515 * cgraph.c (edge_hash, edge_eq): New function.
3516 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3517 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3518 cgraph_remove_node): Maintain call site hash.
3519 * cgraph.h (struct cgraph_node): Add call_site_hash.
3520 (cgraph_set_call_stmt): New function.
3522 2006-08-20 Jan Hubicka <jh@suse.cz>
3524 PR rtl-optimization/28071
3525 * reload1.c (reg_has_output_reload): Turn into regset.
3526 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3527 choose_reload_regs, emit_reload_insns): Update to new
3528 reg_has_output_reload.
3530 2006-08-20 Jan Hubicka <jh@suse.cz>
3533 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3534 function body sizes.
3535 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3537 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3540 * tree.c (handle_dll_attribute): Return early if not a
3541 var or function decl.
3543 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3546 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3547 alignment of SPE vector types.
3549 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3551 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3553 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3556 * cgraph.h (struct cgraph_node): Remove externally_visible
3558 * cgraphunit.c (process_function_and_variable_attributes): Set
3559 local.externally_visible rather than externally_visible.
3562 * c-common.c (handle_externally_visible_attribute): First look
3563 at TREE_CODE and only if it is function or var decl, check for
3564 non-public objects. Don't warn for DECL_EXTERNAL.
3565 * cgraphunit.c (process_function_and_variable_attributes): Warn
3566 if externally_visible attribute is used on non-public object.
3568 2006-08-17 Jan Hubicka <jh@suse.cz>
3570 PR tree-optimization/27865
3571 * reload1.c (forget_marked_reloads): New function.
3572 (forget_old_reloads_1): When data are passed, just mark the registers
3574 (reload_as_needed): Use the new mechanizm.
3576 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3579 * reload.h (reg_equiv_alt_mem_list): New declaration.
3580 * reload1.c (reg_equiv_alt_mem_list): New definition.
3581 (reload): Initialize it and release it.
3582 (delete_output_reload): Use it.
3583 * reload.c (push_reg_equiv_alt_mem): New function.
3584 (find_reloads_toplev): Call it.
3585 (find_reloads_address, find_reloads_address_1): Likewise.
3586 (find_reloads_subreg_address): Likewise.
3588 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3590 PR rtl-optimization/28489
3591 * sched-ebb.c (begin_schedule_ready): Create basic block
3593 (advance_target_bb): Skip empty blocks.
3594 * haifa-sched.c (bb_note): Make global.
3595 * sched-int.h (bb_note): Add prototype.
3597 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3599 PR tree-optimization/27865
3600 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3602 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3603 fold_used_pointer, pointer_used_p): New functions.
3604 (analyze_scalar_evolution_1): Use fold_used_pointer.
3605 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3606 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3609 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3612 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3613 or the INTEGER_CST. Fail on a CALL_EXPR.
3614 (fold_offsetof): Pass new argument to fold_offsetof_1.
3615 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3616 operand into an INDIRECT_REF.
3617 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3619 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3621 PR gcov/profile/26570
3622 * value-prof.c (static_values): Removed.
3623 (tree_find_values_to_profile): Do not set static_values.
3624 (find_values_to_profile): Do not free static_values.
3625 * profile.c (instrument_values): Do not free the values.
3626 (branch_prob): Free the values.
3628 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3630 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3632 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3635 * c-typeck.c (build_component_ref): Combine qualifiers of
3636 structure or union and field.
3638 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3640 PR rtl-optimization/28071
3641 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3642 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3643 * tree-into-ssa.c (struct dom_dfsnum): New.
3644 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3646 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3647 compute_global_livein.
3648 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3649 in phi nodes in the correct blocks.
3651 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3653 PR tree-optimization/28364
3654 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3656 (fold_affine_expr): New function.
3657 (may_eliminate_iv): Use fold_affine_expr.
3659 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3662 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3665 2006-08-16 Mike Stump <mrs@apple.com>
3667 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3668 * doc/cppopts.texi (-MD): Likewise.
3670 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3673 * c-common.c (handle_weak_attribute): Ignore and warn if
3674 not a FUNCTION_ or VAR_DECL.
3676 2006-07-15 Mike Stump <mrs@apple.com>
3679 * c-parser.c (c_parser_typeof_specifier): Don't use
3680 c_finish_expr_stmt, open code desired semantics instead.
3682 2006-08-15 Nick Clifton <nickc@redhat.com>
3684 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3685 fragment to tmake_file only if threads are enabled.
3686 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3687 * config/i386/t-gthr-win32: New file. ... here.
3689 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3692 * c-parser.c (c_parser_compound_statement_nostart): Reset
3693 parser->error after each statement.
3695 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3698 * omp-low.c (lower_omp_parallel): Convert t to
3699 receiver_decl's type.
3700 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3701 source before comparison.
3704 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3705 to itype in assignment to oldival2.
3707 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3711 * c-typeck.c (build_compound_expr): If the second expression
3712 is an error mark, then just return an error mark instead of
3713 creating a COMPOUND_EXPR.
3715 2006-07-14 Mike Stump <mrs@apple.com>
3717 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3719 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3721 * c-decl.c, var-tracking.c: Fix comment typos.
3723 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3725 PR rtl-optimization/28634
3726 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3727 for floating-point modes unless flag_unsafe_math_optimizations.
3729 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3730 Andrew Pinski <pinskia@physics.uc.edu>
3733 * tree.c (build_array_type): Unify array types with
3734 unspecified index_type.
3735 * c-decl.c (grokdeclarator): Make sure we do not modify a
3736 unified incomplete array type.
3737 * c-typeck.c (store_init_value): Create distinct type before
3738 filling in the index type in an initializer from a compound
3741 * c-decl.c (grokdeclarator): Remove code where we copy the
3744 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3746 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3747 into account for TODO_dump_cgraph.
3748 (TODO_update_ssa_no_phi): Likewise.
3749 (TODO_update_ssa_full_phi): Likewise.
3750 (TODO_update_ssa_only_virtuals): Likewise.
3751 (TODO_remove_unused_locals): Likewise.
3752 (TODO_set_props): Likewise.
3753 (TODO_update_stmt_usage): Likewise.
3755 2006-08-13 Dirk Mueller <dmueller@suse.de>
3757 * c-common.c (strict_aliasing_warning): Fix formatting.
3759 2006-08-13 Matthias Klose <doko@debian.org>
3761 * doc/invoke.texi: Fix spelling errors.
3763 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3765 PR rtl-optimization/23454
3766 * reorg.c (relax_delay_slots): Update comment.
3768 2006-08-11 Richard Guenther <rguenther@suse.de>
3771 * simplify-rtx.c (simplify_const_relational_operation):
3772 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3775 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3777 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3778 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3780 2006-08-10 Paul Brook <paul@codesourcery.com>
3782 * final.c (final_scan_insn): Clear current_insn_predicate before
3783 outputting inline asm.
3785 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3787 PR tree-optimization/26197
3788 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3789 get_ref_base_and_extent and overlap_subvar to add only relevant
3790 subvars as may-aliases.
3791 (add_may_alias_for_new_tag): New function, factored out of
3793 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3794 with additional argument.
3795 * tree-flow.h (new_type_alias): Takes additional argument.
3797 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3799 * gcov.c (no_data_file): New flag.
3800 (read_count_file): Set it if data file not present. Assume counts
3802 (output_lines): Don't name the data file, if there wasn't one.
3804 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3806 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3807 (rs6000_generate_compare): Tweak comments.
3808 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3810 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3812 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3813 (var_debug_decl): New function.
3814 (var_reg_set): Follow debug decl link. Add location even if
3815 reg is already known to hold some other variable.
3816 (var_mem_set): Follow debug decl link.
3817 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3818 decl link. Delete other known locations of the variable part
3820 (var_reg_delete, var_mem_delete): Delete other known locations
3821 of the variable part if requested.
3822 (same_variable_part_p): New function.
3823 (add_stores): Select MO_COPY when appropriate.
3824 (vt_initialize): Handle it.
3825 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3826 known locations for MO_SET and MO_CLOBBER.
3827 (find_variable_location_part): New function.
3828 (set_variable_part, delete_variable_part): Use it.
3829 (clobber_variable_part): New function.
3830 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3833 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3835 PR tree-optimization/26969
3836 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3837 with an empty list of PHIs.
3839 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3843 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3846 2006-08-06 Andreas Schwab <schwab@suse.de>
3848 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3849 string. Whitespace and comment fixup.
3851 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3854 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3858 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3861 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3863 2006-08-04 Jan Hubicka <jh@suse.cz>
3867 * reload.c (push_reload): Patch out the mismatching instruction;
3869 (find_reload): Bail out if the instruction was patched out.
3871 2006-08-04 Jan Hubicka <jh@suse.cz>
3873 PR tree-optimization/24888
3874 * tree-inline.c (expand_call_inline): Do not re-record variables.
3875 (declare_inline_vars): Add variable to unexpanded_var_list.
3877 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3878 Roger Sayle <roger@eyesopen.com>
3880 PR rtl-optimization/26244
3881 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3882 inner_const are negative or greater than or equal to the bitsize of
3883 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3884 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3885 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3886 CONST0_RTX (mode) when the new shift count is greater than or equal to
3887 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3890 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3892 * tree-cfg.c: Fix a comment typo.
3894 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3897 * varasm.c (output_constant): Give the front end another chance to
3898 expand constants, after stripping NOPs.
3900 2006-08-03 Jan Hubicka <jh@suse.cz>
3902 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3905 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3907 PR tree-optimization/27770
3908 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3909 declaration removed (moved to tree-flow.h).
3910 (vect_can_force_dr_alignment_p): Likewise.
3911 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3912 (moved from tree-vectorizer.h).
3913 (vect_can_force_dr_alignment_p): Likewise.
3914 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3915 from outside the vectorizer - in particular from cgraph stage.
3916 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3917 the alignment of global arrays when -fsection-anchors is enabled.
3918 * cgraphunit.c (cgraph_increase_alignment): New function.
3919 (cgraph_optimize): Call cgraph_increase_alignment.
3921 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3924 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3925 not reload a SPE symbol_ref into a lo_sum address.
3927 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3930 * dwarf2out.c (prune_unused_types_prune): Move call to
3931 prune_unused_types_update_strings to cover the parent DIE also.
3933 2006-08-02 Jan Hubicka <jh@suse.cz>
3935 PR gcov/profile/28480
3936 * tree-cfg.c (change_bb_for_stmt): New function.
3937 (tree_merge_blocks, tree_split_blocks): Use it.
3939 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3945 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3946 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3947 (cgraph_optimize): Likewise.
3949 2006-08-01 Stuart Hastings <stuart@apple.com>
3951 * rtl.h (UINTVAL) New.
3952 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3953 * testsuite/gcc.dg/20060801-1.c: New.
3955 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3958 * c-typeck.c (build_external_type): Mark used enum types.
3959 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3961 (gen_subprogram_die): Whitespace fix.
3963 2006-08-01 Jan Hubicka <jh@suse.cz>
3965 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3966 bitmap when not needed.
3967 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3970 2006-08-01 Dirk Mueller <dmueller@suse.de>
3972 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3974 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3976 * Makefile.in: Revert part of previous patch:
3977 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3980 2006-07-30 Eric Christopher <echristo@apple.com>
3983 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3984 (PowerPC Variable Attributes): New section.
3986 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3988 PR target/28126 (partial fix)
3989 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3991 2006-07-28 Jan Hubicka <jh@suse.cz>
3993 PR rtl-optimization/28071
3994 * cfgrtl.c (rtl_delete_block): Free regsets.
3995 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3997 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3999 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4000 and variables used in dependencies.
4002 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4004 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4005 %fs for -mcmodel=kernel.
4006 (stack_tls_protect_test_di): Likewise.
4008 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4010 * Makefile.in: Use mkinstalldirs.
4012 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4015 * opts-common.c (prune_options): Skip joined switches.
4017 2006-07-27 Jan Hubicka <jh@suse.cz>
4019 PR rtl-optimization/28071
4020 * cselib.c (cselib_process_insn): Don't remove useless values too
4021 often for very large hashtables.
4023 2006-07-27 Jan Hubicka <jh@suse.cz>
4025 PR rtl-optimization/28071
4026 * global.c (greg_obstack): New obstack.
4027 (allocate_bb_info): Use it.
4028 (free_bb_info): Likewise.
4029 (modify_reg_pav): Likewise.
4031 2006-07-27 Roger Sayle <roger@eyesopen.com>
4033 * builtins.c (fold_fixed_mathfn): When long and long long are the
4034 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4035 functions to their lceil*, lfloor*, lround* and lrint* forms.
4037 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4040 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4042 (rev_branch_insn): Likewise.
4044 2006-07-27 Jan Hubicka <jh@suse.cz>
4046 PR rtl-optimization/28071
4047 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4048 (reg_set_in_bb, max_reg_computed): New static variables.
4049 (regmove_optimize): Free the new array.
4050 (fixup_match_1): Update call of reg_is_remote_constant_p.
4052 2006-07-26 Jan Hubicka <jh@suse.cz>
4054 PR tree-optimization/27882
4055 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4057 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4059 (cgraph_analyze_compilation_unit): Likewise.
4060 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4061 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4062 (cgraph_early_inlinine): Make order garbage collected.
4063 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4065 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4067 * dbxout.c (output_types_sort): Add a comment.
4068 (output_used_types): Free the VEC.
4070 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4072 * function.c (reorder_fix_fragments): Delete.
4073 (reorder_blocks): Don't call it.
4074 (reorder_blocks_1): Put all subblocks under the origin block.
4076 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4078 PR rtl-optimization/27907
4079 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4082 2006-07-25 Roger Sayle <roger@eyesopen.com>
4085 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4086 bar(x) check that bar's result type can represent all the values of T.
4088 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4090 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4092 2006-07-25 Nick Clifton <nickc@redhat.com>
4094 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4095 size_lookup[] array.
4096 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4097 (ggc_pch_count_object): Likewise.
4098 (ggc_pch_alloc_object): Likewise.
4099 (ggc_pch_write_object): Likewise.
4100 (init_ggc): Do not attempt to initialize entries in the
4101 size_lookup[] array for objects whose size is greater than than
4102 the length of the array.
4104 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4106 * dbxout.c (output_used_types_helper): Push queued types
4108 (output_types_sort): New.
4109 (output_used_types): Collect used types on a VEC and sort them
4112 2006-07-24 Richard Guenther <rguenther@suse.de>
4115 * cgraph.c (cgraph_remove_node): Do not check if dumps
4117 * cgraphunit.c (cgraph_optimize): Likewise.
4119 2006-07-24 Jan Hubicka <jh@suse.cz>
4121 PR rtl-optimization/28071
4122 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4123 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4124 splitting before first stmt.
4126 2006-07-24 Jan Hubicka <jh@suse.cz>
4128 PR rtl-optimization/28071
4129 * ipa-inline.c (update_caller_keys): Remove edges that
4130 are no longer inline candidates.
4132 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4135 * dbxout.c (output_used_types_helper, output_used_types): New.
4136 (dbxout_symbol): Call output_used_types.
4138 2006-07-23 Jan Hubicka <jh@suse.cz>
4142 * cgraph.c (cgraph_varpool_nodes): Export.
4143 (decide_is_variable_needed): Ignored "used" attribute in
4144 unit-at-a-time mode.
4145 * cgraph.h (cgraph_varpool_nodes): Declare.
4146 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4147 unit-at-a-time mode.
4149 2006-07-23 Roger Sayle <roger@eyesopen.com>
4152 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4153 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4154 the __gthrw form of thr_keycreate.
4155 (__gthread_key_delete): Silence the unused argument warning.
4157 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4160 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4161 Cache the last found '\0' marker to avoid quadratic behavior.
4163 2006-07-23 Jan Hubicka <jh@suse.cz>
4165 * i386.md (subsi_3_zext): Fix output template.
4167 2006-07-21 Mike Stump <mrs@apple.com>
4169 * doc/invoke.texi (C++ Dialect Options): Note that
4170 -fvisibility-inlines-hidden doesn't affect explicitly
4171 instantiationed inline methods.
4173 2006-07-20 Roger Sayle <roger@eyesopen.com>
4175 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4176 if the target assembler is GNU binutils' gas.
4177 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4178 whether to pass GNU gas or native as command line options.
4180 2006-07-20 Jason Merrill <jason@redhat.com>
4182 * tree.c (remove_attribute): New fn.
4183 * tree.h: Declare it.
4185 2006-07-20 Paul Brook <paul@codesourcery.com>
4188 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4189 they are invalidated by this instruction.
4191 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4194 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4196 2006-07-20 Eric Christopher <echristo@apple.com>
4199 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4201 2006-07-19 Eric Christopher <echristo@apple.com>
4203 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4204 Rewrite dependencies for libgcc_s.1.dylib.
4206 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4208 * except.c (duplicate_eh_regions_1): Clear next_peer.
4210 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4212 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4213 -mlongcall does not guarantee all calls will be long.
4214 * doc/extend.texi (long_call/short_call): Document that longcall
4215 does not guarantee a long call will be used.
4216 (longcall/shortcall): Likewise.
4218 2006-07-18 Roger Sayle <roger@eyesopen.com>
4221 * expmed.c (expand_shift): Additionally check that the shift_cost
4222 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4223 before implementing a LSHIFT_EXPR as a sequence of additions.
4224 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4225 middle-end that DImode shifts need to be synthesized by expand.
4227 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4230 * tree-ssa-operands.c (access_can_touch_variable): Update
4232 Return true if ALIAS is .GLOBAL_VAR.
4234 2006-07-18 David Daney <ddaney@avtrex.com>
4236 * gcc.c (display_help): Fix typo in help text.
4238 2006-07-18 Olivier Hainque <hainque@adacore.com>
4240 * tree.h (categorize_ctor_elements): Adjust prototype and add
4241 descriptive comment, both in accordance with the interface change
4243 * varasm.c (constructor_static_from_elts_p): New function.
4244 Whether a constructor node is a valid static constant initializer
4245 if all its elements are.
4246 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4247 * output.h: Declare it.
4248 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4249 is a valid constant initializer instead of computing the number of
4250 non-constant elements. Use constructor_static_from_elts_p for this
4251 purpose. Replace the head comment with an indication that this is a
4252 helper for categorize_ctor_elements.
4253 (categorize_ctor_elements): Same interface change as for the _1
4254 helper. Former head comment from this helper moved here, adjusted to
4255 account for the interface changes.
4256 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4257 (all_zeros_p): Likewise.
4258 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4259 static versions of the constructor from the categorize_ctor_elements
4260 return value instead of the formerly computed number of non-constant
4263 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4265 * configure: Regenerate.
4266 * Makefile.in (build_libsubdir): New configure substitution
4267 (build_libobjdir): New variable.
4268 (BUILD_LIBIBERTY): Use it.
4270 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4273 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4275 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4278 * c-common.c (handle_weakref_attribute): Ignore attribute in
4279 the same conditions the alias attribute is ignored.
4281 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4283 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4284 (dbxout_begin_prologue): Increment scope_labelno.
4286 2006-07-17 Richard Henderson <rth@redhat.com>
4289 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4292 2006-07-17 Roger Sayle <roger@eyesopen.com>
4293 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4295 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4296 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4297 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4298 functions such as sbrk, write, etc.. Add function prototypes.
4299 Convert function declarations from K&R to ISO C. Cast pointers
4300 to "long" and "unsigned long" instead of "int" and "unsigned int".
4301 Convert tokens following #endif into comments.
4303 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4305 * invoke.texi: Remove mention of f77; Reformat table for
4306 inline parameter options correctly; mention that -malign-double
4307 is default on x86-64 targets.
4309 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4311 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4312 (convert_affine_scev, chrec_convert_aggressive): Use
4313 avoid_arithmetics_in_type_p. Do not check for the subtypes
4316 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4319 * optabs.c (expand_doubleword_shift): Wrap the call to
4320 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4322 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4325 * optabs.c (expand_binop): Pass next_methods rather than methods
4326 to expand_doubleword_shift.
4328 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4331 * tree.h (dump_addr): Declare.
4332 * print-tree.c (dump_addr): New function.
4333 (print_node_brief, print_node): Use it.
4334 * print-rtl.c (print_rtx): Likewise.
4335 * common.opt (-fdump-noaddr): New option.
4336 * doc/invoke.texi (-fdump-noaddr): Document.
4337 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4338 (ve_info_hash): Likewise.
4340 2006-07-13 Andrew Haley <aph@redhat.com>
4342 PR tree-optimization/19505
4343 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4344 edge leaving this block, make sure that the destination of this
4345 block has only one predecessor.
4347 2006-07-17 Richard Guenther <rguenther@suse.de>
4349 PR tree-optimization/28238
4350 * tree-inline.c (copy_bb): Check if we produced valid
4351 gimple copying and substituting a stmt. If not, gimplify
4354 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4356 * optabs.c (maybe_encapsulate_block): New function extracted from...
4357 (emit_libcall_block): ...here. Invoke it on the block of insns to
4358 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4359 (emit_no_conflict_block): Likewise.
4361 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4363 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4365 2006-07-15 Roger Sayle <roger@eyesopen.com>
4367 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4368 a new NOP_EXPR case of the switch statement.
4370 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4373 * stor-layout.c (place_field): Take the bit field with
4374 an excessive size into account in the ms-bitfiled case.
4377 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4378 the previous bit field.
4380 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4383 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4385 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4387 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4388 signal frames correctly even when the signal was installed with
4391 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4393 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4394 (dbxout_function_end): Use local label LFBB. Remove hook
4396 (dbxout_source_line): Use local label LFBB.
4397 (dbxout_block): Likewise.
4398 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4399 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4400 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4401 and DBX_OUTPUT_NFUN.
4403 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4405 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4407 2006-07-13 Jan Hubicka <jh@suse.cz>
4409 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4411 * output.h (align_variable): Declare.
4412 * varasm.c (align_variable): Export.
4413 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4414 when basic block changed.
4416 2006-07-13 Nick Clifton <nickc@redhat.com>
4418 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4419 walking the LOG_LINKS chain.
4421 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4423 * doc/invoke.texi (C++ Dialect Options): Explain difference
4424 between -fvisibility-inlines-hidden and setting hidden
4425 visibility explicitly.
4427 2006-07-12 Eric Christopher <echristo@apple.com>
4429 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4430 (stmp-lipo): Depend on libgcc.a.
4432 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4434 * tree.c: Fix a comment typo.
4436 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4438 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4440 (umulhisi3_r): Likewise.
4442 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4445 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4446 x < 19, vs wchar_t support.
4448 2006-07-12 Nick Clifton <nickc@redhat.com>
4450 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4451 instead of -isa=sh4.
4453 2006-07-12 Mike Stump <mrs@apple.com>
4455 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4457 2006-07-10 Eric Christopher <echristo@apple.com>
4459 * config/t-slibgcc-darwin: Rewrite.
4461 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4464 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4467 2006-07-08 Matthias Klose <doko@debian.org>
4469 * doc/sourcebuild.texi: Fix typo.
4471 2006-07-07 Mike Stump <mrs@apple.com>
4473 * toplev.c (process_options): Don't give -ffunction-sections may
4474 affect debugging warning for Mach-O.
4476 2006-07-07 James E Wilson <wilson@specifix.com>
4478 * config/mips/mips.md (cpu): Add sb1a.
4479 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4480 addition to sb1. Adjust comments to clarify SB-1A differences from
4482 (ir_sb1a_load): New. Modify bypasses to use it.
4483 (ir_sb1a_simple_alu): Likewise.
4484 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4485 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4486 (mips_issue_rate): Add PROCESSOR_SB1A.
4487 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4488 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4489 (TARGET_SB1): Add PROCESSOR_SB1A check.
4490 (TUNE_SB1): Likewise.
4492 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4493 * config/mips/mips.c (mips_store_data_bypass_p): New.
4494 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4495 store_data_bypass_p.
4497 2006-07-08 Paul Brook <paul@codesourcery.com>
4500 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4502 2006-07-07 Richard Guenther <rguenther@suse.de>
4505 * tree.h (build_one_cst): Declare.
4506 * tree.c (build_one_cst): New function.
4507 * tree-ssa-math-opts.c (get_constant_one): Remove.
4508 (insert_reciprocals): Use build_one_cst.
4509 * fold-const.c (fold_plusminus_mult): Likewise.
4511 2006-07-07 Roger Sayle <roger@eyesopen.com>
4513 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4514 * cfgloopanal.c (dump_graph): Likewise.
4515 * dojump.c (discard_pending_stack_adjust): Likewise.
4516 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4518 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4519 * function.c (finalize_block_changes): Likewise.
4520 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4521 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4522 * rtl.c (dump_rtx_statistics): Likewise.
4523 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4525 * varray.c (dump_varray_statistics): Likewise.
4526 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4527 decode_decimal64, encode_decimal128, decode_decimal128,
4528 decimal_real_to_decimal): Likewise.
4530 2006-07-07 Richard Guenther <rguenther@suse.de>
4532 PR tree-optimization/28187
4533 * tree-vrp.c (vrp_operand_equal_p): New function.
4534 (vrp_bitmap_equal_p): Likewise.
4535 (update_value_range): Use them to compare old and new
4538 2006-07-06 Roger Sayle <roger@eyesopen.com>
4540 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4541 a default case to switch statement to silence compiler warnings.
4543 2006-07-06 Roger Sayle <roger@eyesopen.com>
4546 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4547 the configured assembler supports the x87's ffreep mnemonic.
4548 * configure: Regenerate.
4549 * config.in: Regenerate.
4551 * config/i386/i386.c (output_387_ffreep): New function.
4552 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4553 (output_387_reg_move): Likewise.
4555 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4557 Port to hosts whose 'sort' and 'tail' implementations
4558 treat operands with leading '+' as file names, as POSIX
4559 has required since 2001. However, make sure the code still
4560 works on pre-POSIX hosts.
4561 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4562 which says you should use "tail -c +N" rather than "tail +Nc".
4563 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4565 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4567 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4570 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4573 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4574 PRE_{INC,DEC} of TFmode.
4576 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4577 Alan Modra <amodra@bigpond.net.au>
4580 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4583 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4586 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4587 Remove duplicate gtu.
4589 2006-07-05 Jason Merrill <jason@redhat.com>
4593 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4594 * c-common.c (handle_packed_attribute): So don't copy it here.
4595 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4597 2006-07-05 Mike Stump <mrs@apple.com>
4599 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4601 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4604 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4606 2006-07-05 Richard Guenther <rguenther@suse.de>
4609 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4610 TARGET_SSE2 targets if using SSE math.
4611 (*absdf2_1): Likewise.
4613 2006-07-05 Richard Guenther <rguenther@suse.de>
4615 PR tree-optimization/28162
4616 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4617 make sure to convert the operands to the correct type.
4619 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4621 PR tree-optimization/28218
4623 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4624 to calculate and free the dominator information.
4626 2006-07-04 Peter O'Gorman <peter@pogma.com>
4628 * mklibgcc.in: chmod 644 before ranlib during install.
4630 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4631 J"orn Rennecke <joern.rennecke@st.com>
4633 * configure.ac (.eh_frame data check): Use diff -b.
4635 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4638 * Makefile.in (BUILD_RTL): Add build/vec.o.
4639 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4640 (build/genextract): Delete.
4641 (build/genautomata): Likewise.
4643 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4646 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4647 128-bit IBM long doubles for ABI_V4.
4649 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4651 * tree.c (range_in_array_bounds_p): New predicate.
4652 * tree.h (range_in_array_bounds_p): Declare it.
4653 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4654 return a less conservative answer.
4655 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4656 and flag 'is_group'.
4657 (IS_ELEMENT_FOR_GROUP): New macro.
4658 (FOR_EACH_ACTUAL_CHILD): Likewise.
4659 (next_child_for_group): New helper function.
4660 (can_completely_scalarize_p): Take into account groups.
4661 (sra_hash_tree): Handle RANGE_EXPR.
4662 (sra_elt_eq): Likewise.
4663 (lookup_element): Be prepared for handling groups.
4664 (is_valid_const_index): Delete.
4665 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4666 instead of is_valid_const_index.
4667 <ARRAY_RANGE_REF>: New case.
4668 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4669 is_valid_const_index.
4670 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4671 (scan_dump): Dump info for groups too.
4672 (decide_instantiation_1): Likewise.
4673 (decide_block_copy): Assert that the element is not a group.
4674 Propagate decision to groups.
4675 (generate_one_element_ref): Handle RANGE_EXPR.
4676 (mark_no_warning): Iterate over actual childs.
4677 (generate_copy_inout): Likewise.
4678 (generate_element_copy): Likewise.
4679 (generate_element_zero): Likewise.
4680 (generate_element_init_1): Likewise.
4681 (dump_sra_elt_name): Handle RANGE_EXPR.
4683 2006-07-03 Roger Sayle <roger@eyesopen.com>
4685 PR tree-optimization/26251
4686 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4687 (thread_block): When optimizing for size refuse to thread jumps
4688 that would require duplication of blocks other than redirection
4691 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4693 * configure.ac: Fix thinko in previous check-in.
4694 * configure: Regenerate.
4696 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4699 * configure.ac (for lang...): Simplify nesting of conditionals.
4700 Test subdir_requires for non-enabled languages. Move processing
4701 of lang_opt_files and lang_tree_fiels below that test.
4702 * configure: Regenerate.
4703 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4705 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4707 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4709 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4711 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4714 2006-06-29 Jason Merrill <jason@redhat.com>
4721 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4722 * c-common.c (c_determine_visibility): Handle it here.
4723 * c-decl.c (finish_decl): Call c_determine_visibility for
4725 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4727 * varasm.c (default_assemble_visibility): Likewise.
4728 * c-common.c (handle_visibility_attribute): Complain about trying
4729 to give visibility to an already defined class, or trying to change
4730 declared visibility. Always attach the attribute.
4735 * attribs.c (decl_attributes): Ignore type-in-place attributes
4736 once the type has been defined.
4738 2006-06-29 Roger Sayle <roger@eyesopen.com>
4741 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4742 to indicate the cpplib has issued an error message for us.
4744 2006-06-29 Asher Langton <langton2@llnl.gov>
4747 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4748 insert a label at the end of an function under Mach-O.
4750 2006-06-29 Eric Christopher <echristo@apple.com>
4751 Evan Cheng <evan.cheng@apple.com>
4753 * predicates.md (vector_all_ones_operand): New.
4754 (nonimmediate_or_sse_const_operand): Ditto.
4755 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4756 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4757 (standard_sse_mode_p): Ditto.
4758 (standard_sse_constant_p): Add case for -1 vector.
4759 (ix86_expand_vector_move): Try to use.
4760 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4761 Call standard_sse_constant_opcode.
4762 (*movv4sf_internal): Ditto.
4763 (*movv2df_internal): Ditto.
4765 2006-06-29 Roger Sayle <roger@eyesopen.com>
4767 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4768 of XEXP to extract the operands of a MATCH_CODE rtx.
4770 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4772 * tree.c (tree_size): Do not waste tail padding in
4773 struct tree_string and make the size be the same as
4774 build_string will generate.
4776 2006-06-28 Jason Merrill <jason@redhat.com>
4779 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4780 may_aliases already in the tag's annotations to the bitmap.
4782 2006-06-28 Roger Sayle <roger@eyesopen.com>
4784 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4786 2006-06-28 Roger Sayle <roger@eyesopen.com>
4788 * genpreds.c (generate_switch_p): New function.
4789 (add_mode_tests): Push the new mode test down inside an AND expr
4790 if this allows the switch-suitable MATCH_CODE to be near the root.
4791 (write_match_code_switch): New function to write a MATCH_CODE as
4793 (write_predicate_stmts): New function to write a predicate RTX
4794 expression as a sequence of statements.
4795 (write_one_predicate_function): Use write_predicate_stmts.
4796 (write_tm_constrs_h): Likewise.
4798 2006-06-26 Fred Fish <fnf@specifix.com>
4800 * config/mips/t-sb1: New file.
4801 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4804 2006-06-26 DJ Delorie <dj@redhat.com>
4806 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4808 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4809 Jayant Sonar <jayants@kpitcummins.com>
4810 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4812 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4813 (subsi3, subsi3_1, subsi3_2): New.
4814 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4815 * config/m32c/mov.md (SI mov peephole): New.
4816 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4817 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4819 2006-06-26 Olivier Hainque <hainque@adacore.com>
4821 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4822 a CALL_EXPR target function declaration.
4824 2006-06-26 Richard Guenther <rguenther@suse.de>
4826 * tree.c (build_string): Do not waste tail padding in
4829 2006-06-26 Richard Guenther <rguenther@suse.de>
4831 * ggc-page.c (init_ggc): Add missing element to size_lookup
4835 2006-06-23 Richard Guenther <rguenther@suse.de>
4837 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4838 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4839 alignment requests instead. Add verification code.
4840 Add struct tree_function_decl and struct tree_binfo size to
4841 extra_order_size_table. Add missing element to size_lookup
4844 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4847 * fold-const.c (const_binop): Be prepared for self returning zero.
4848 Simplify code handling complex values.
4850 2006-06-24 Olivier Hainque <hainque@adacore.com>
4852 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4853 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4856 2006-06-24 Olivier Hainque <hainque@adacore.com>
4858 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4859 ARRAY_REF, so have the callback called for the low bound expression.
4861 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4863 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4864 * c-typeck.c (c_common_type): Disallow operations on decimal float
4865 types and other float types.
4866 * convert.c (convert_to_real): Don't ignore conversions involving
4867 decimal float types.
4869 2006-06-23 Olivier Hainque <hainque@adacore.com>
4871 * tree.c (max_int_size_in_bytes): New function, inspired from
4872 code in function.c:assign_temp.
4873 * tree.h (max_int_size_in_bytes): Declare.
4874 * function.c (assign_temp): Use it.
4875 * gimplify.c (create_tmp_var): Relax the assertions on the type
4876 properties, not mandating constant size any more.
4877 (force_constant_size): New static function.
4878 (gimple_add_tmp_var): Use it, forcing variable size to a
4879 constant upper bound if it is not constant on entry.
4881 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4884 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4885 for initialization and setting of one_only flag to ...
4886 (i386_pe_encode_section_info): ...here.
4887 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4888 Recheck that the symbol has not been defined.
4890 2006-06-23 Richard Guenther <rguenther@suse.de>
4892 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4893 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4894 alignment requests instead. Add verification code.
4895 Add struct tree_function_decl and struct tree_binfo size to
4896 extra_order_size_table. Add missing element to size_lookup
4899 2006-06-22 Roger Sayle <roger@eyesopen.com>
4900 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4903 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4904 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4906 2006-06-23 Ben Elliston <bje@au.ibm.com>
4908 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4909 negate dn -- manipulate it directly.
4911 2006-06-22 Roger Sayle <roger@eyesopen.com>
4912 Steven Bosscher <stevenb.gcc@gmail.com>
4915 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4916 generated by gen_move_insn to add REG_LABEL notes if necessary.
4918 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4920 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4921 (leaf_entry): Remove use of MIN_ESA.
4923 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4925 PR rtl-optimization/28121
4926 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4929 2006-06-21 DJ Delorie <dj@redhat.com>
4931 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4933 (mulhisi3_r): Likewise.
4935 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4938 * coverage.c (coverage_counter_alloc): Leave the index type
4940 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4943 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4945 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4946 section from the "Options for Code Generation Conventions".
4948 2006-06-21 Richard Henderson <rth@redhat.com>
4952 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4954 (global_symbolic_operand): Allow weak symbols, even if local_p.
4956 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4958 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4959 (find_interesting_uses_address): Punt if above function returns true.
4961 2006-06-21 Richard Guenther <rguenther@suse.de>
4963 * configure: Regenerated.
4965 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4967 * config/mips/mips.c (function_arg): Where one part of a
4968 complex argument is in registers and the other part in the stack,
4969 return a REG not a PARALLEL.
4971 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4973 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4974 when cross-compiling. Do not substitute libstdcxx_incdir.
4975 * configure: Regenerated.
4977 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4979 * varasm.c (mergeable_string_section): Check for embedded NULs and
4980 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4981 rather than TREE_STRING_LENGTH bytes.
4983 2006-06-21 Richard Guenther <rguenther@suse.de>
4985 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4986 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4989 2006-06-21 Richrad Guenther <rguenther@suse.de>
4991 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4992 Limit iteration over the dominators.
4994 2006-06-20 Roger Sayle <roger@eyesopen.com>
4996 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4997 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4999 2006-06-20 Richard Guenther <rguenther@suse.de>
5000 Michael Matz <matz@suse.de>
5002 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5004 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5005 * et-forest.h (et_free_pools): Prototype new function.
5006 * et-forest.c (et_free_tree_force): Free parent occurrence.
5007 (et_free_pools): New function.
5008 * dominance.c (free_dominance_info): Free et-forest alloc
5011 2006-06-20 Roger Sayle <roger@eyesopen.com>
5013 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5014 integer modes, attempt to directly construct an integer constant.
5016 * fold-const.c (native_encode_vector): Determine the size of each
5017 element from the vector type instead of the first vector element.
5019 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5020 if all of its elements/components are constant.
5021 (build_constructor_from_list): Likewise.
5023 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5025 PR tree-optimization/27331
5026 * tree-data-ref.c (free_data_ref): New function.
5027 (create_data_ref): Fail if the data reference has unknown access
5029 (free_data_refs): Use free_data_ref.
5031 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5034 * tree-inline.c (setup_one_parameter): Strip useless
5035 type conversion before adding it to the IR.
5036 (declare_return_variable): Likewise.
5038 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5041 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5043 2006-06-19 Mike Stump <mrs@apple.com>
5045 * tree.c (variably_modified_type_p): VM arguments don't make the
5048 2006-06-19 Richard Guenther <rguenther@suse.de>
5050 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5051 type conversions after folding.
5053 2006-06-19 Richard Guenther <rguenther@suse.de>
5055 * ggc-page.c (extra_order_size_tab): Add entries with
5056 size of struct function and basic_block.
5057 (size_lookup): Extend to cover sizes up to 511.
5058 (ggc_alloc_stat): Adjust user.
5059 (ggc_pch_count_object): Likewise.
5060 (ggc_pch_alloc_object): Likewise.
5061 (ggc_pch_write_object): Likewise.
5063 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5065 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5066 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5069 2006-06-19 Denis Chertykov <denisc@overta.ru>
5071 * config/avr/libgcc.S : Correct my wrong previous commit.
5073 2006-06-19 Roger Sayle <roger@eyesopen.com>
5076 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5077 have stripped a SUBREG from the shift count, so we may need to
5078 convert_to_mode back to the type's mode before calling make_tree.
5079 Use new_amount instead of amount to avoid expanding a tree twice.
5081 2006-06-19 Richard Guenther <rguenther@suse.de>
5084 * fold-const.c (operand_equal_p): Check if the argument types
5085 have the same precision before stripping NOPs.
5087 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5089 Fix PR tree-optimization/27341
5090 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5092 * tree-complex.c (pass_lower_complex): Update SMT usage.
5094 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5096 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5097 Add a new alternative to the constraint strings. Add move of
5098 operand 1 to 3 to the splitter definition.
5099 ("doloop_si_long"): Second contraint alternative removed.
5101 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5103 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5104 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5106 (AVR_HAVE_MOVW) Define.
5107 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5108 (ASM_SPEC): Add avr25.
5109 (LINK_SPEC): Add avr25.
5110 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5111 (base_arch_s): Add new member 'have_movw_lpmx'.
5112 (avr_arch_types): Init 'have_movw_lpmx'.
5113 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5114 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5115 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5116 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5117 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5119 (avr_file_start): Do not output '.arh' derective.
5120 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5121 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5122 * config/avr/avr.md (mcu_enhanced): Delete.
5123 (mcu_have_movw): Define.
5124 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5125 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5126 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5127 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5128 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5129 attiny861 and at86rf401 devices.
5131 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5133 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5136 2006-06-17 Karl Berry <karl@gnu.org>
5138 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5139 doc/gccint.texi, doc/install.texi (@dircategory): Use
5140 "Software development" instead of "Programming", following
5141 the Free Software Directory.
5143 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5145 * config/i386/i386.c (legitimate_tls_address)
5146 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5147 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5148 (*tls_dynamic_gnu2_combine_64): Likewise.
5150 2006-06-16 Richard Guenther <rguenther@suse.de>
5153 * fold-const.c (negate_expr_p): Do not introduce undefined
5154 overflow in negating INTEGER_CSTs.
5155 (fold_negate_expr): Rename from negate_expr. Revert last
5156 change for folding BIT_NOT_EXPR. Change semantics to
5157 return NULL_TREE for non-simplified negations. Do not
5158 strip type conversions and unify type handling.
5159 (negate_expr): New function, wrap around fold_negate_expr
5160 but ensure building a tree always. Strip type conversions
5161 here, fold to result type.
5162 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5164 2006-06-16 Roger Sayle <roger@eyesopen.com>
5167 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5168 that (would) return their results in stack registers.
5170 2006-06-16 Michael Matz <matz@suse.de>
5171 Richard Guenther <rguenther@suse.de>
5173 * fold-const.c (fold_truthop): Only return new tree node if
5174 we canonicalized something.
5176 2006-06-16 Richard Guenther <rguenther@suse.de>
5178 * function.h (enum function_frequency): Move declaration
5179 out of struct function.
5180 (struct function): Move bool fields and the enum to the bitfield
5181 section. Reorder elements to avoid padding. Remove unused
5182 fields left over from the RTL inliner removal.
5183 * function.c (free_after_compilation): Do not zero removed fields.
5184 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5185 (ipa-type-escape.o): Likewise.
5187 2006-06-16 Richard Guenther <rguenther@suse.de>
5189 * cgraph.h (struct cgraph_local_info): Turn bool elements
5191 (struct cgraph_node): Likewise.
5192 (struct cgraph_varpool_node): Likewise.
5194 2006-06-15 Richard Guenther <rguenther@suse.de>
5196 * fold-const.c (fold_truth_not_expr): Rename from
5197 invert_truthvalue. Give it fold_* semantics to avoid
5199 (invert_truthvalue): New function. Wrapper around
5200 fold_truth_not_expr.
5201 (optimize_minmax_comparison): Avoid creating garbage.
5202 (fold_unary): Use fold_truth_not_expr for folding
5204 (fold_ternary): Replace uses of invert_truthvalue with
5205 fold_truth_not_expr where applicable.
5206 * tree.h (fold_truth_not_expr): Prototype.
5208 2006-06-16 Richard Guenther <rguenther@suse.de>
5210 PR tree-optimization/27781
5211 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5212 * ipa-pure-const.c (target.h): Include.
5213 (analyze_function): Do not analyze functions that do not
5216 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5219 * tree-dfa.c (referenced_vars_dup_list): Remove.
5220 (find_referenced_vars): Remove assert.
5221 (referenced_var_check_and_insert): Replace dup list with assert.
5222 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5223 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5225 2006-06-15 Richard Guenther <rguenther@suse.de>
5227 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5228 extra unused identifiers if not dumping.
5229 (create_variable_info_for): Likewise.
5231 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5233 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5234 (derive_constant_upper_bound): Derive more precise upper bound in
5235 common cases. Return type changed to double_int.
5236 (record_estimate): Reflect the changed return type of
5237 derive_constant_upper_bound.
5238 * double-int.c (double_int_zext, double_int_sext): Fix.
5240 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5242 * configure.ac (CFLAGS): Get them from the toplevel or from the
5243 configure invocation.
5244 * configure: Regenerate.
5245 * Makefile.in (CFLAGS): Substitute value provided by configure.
5247 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5250 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5251 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5252 rather than calling add_stmt on it.
5253 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5255 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5258 * reload1.c (reload): Remove registers returned by update_eliminables
5259 from used_spill_regs.
5261 2006-06-13 DJ Delorie <dj@redhat.com>
5263 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5265 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5267 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5268 html__strip_dir, html__mkdir_p. Enhance install-html target.
5269 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5270 * configure: Regenerate.
5272 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5274 * fold-const.c (fold_cond_expr_with_comparison): Check for
5275 Objective-C++ as language in deciding COND_EXPR transformation.
5277 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5280 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5281 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5282 * config/sh/lib1funcs.h (SL, SL1): Define.
5283 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5284 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5285 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5286 (OBJS_Os_4_200): New variable.
5287 ($(T)libgcc-Os-4-200.a): Use it.
5288 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5289 when dividing 1 and/or by 0.
5291 2006-06-13 Roger Sayle <roger@eyesopen.com>
5293 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5294 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5295 * configure: Regenerate.
5297 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5299 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5300 for real instruction.
5302 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5305 * haifa-sched.c (check_cfg): Handle special case.
5307 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5310 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5311 Add debug_info parameter. Chain the vars to the BLOCK instead
5312 of the BIND_EXPR if debug info are requested for them.
5313 (pop_gimplify_context): Adjust for above change.
5314 (gimple_add_tmp_var): Likewise.
5315 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5317 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5318 (convert_local_reference): Likewise.
5319 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5320 (finalize_nesting_tree_1): Request that debug info be emitted
5321 for debug_var_chain.
5323 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5325 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5326 for PR target/27863.
5328 2006-06-13 Richard Guenther <rguenther@suse.de>
5331 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5333 2006-06-13 Richard Guenther <rguenther@suse.de>
5335 PR tree-optimization/27830
5336 * tree-inline.c (copy_body_r): For copying the operand
5337 of an ADDR_EXPR make sure to fold &* afterwards.
5339 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5341 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5342 lvalues in the fb_none case with side-effects.
5344 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5346 * tree-flow.h: Remove the prototype for
5347 compute_phi_arg_on_exit.
5348 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5349 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5352 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5354 * builtins.c (expand_builtin_return_addr): Only use
5355 frame_pointer_rtx when count == 0 and we are expanding
5356 __builtin_return_address.
5358 2006-06-12 Fred Fish <fnf@specifix.com>
5360 * config/mips/mips.c (mips_file_start): Create special section
5361 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5363 2006-06-11 Eric Christopher <echristo@apple.com>
5366 * stor-layout.c (place_field): Remove check for
5367 remaining_in_alignment when aligning at the end of a run.
5369 2006-06-11 Eric Christopher <echristo@apple.com>
5372 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5375 2006-06-11 Roger Sayle <roger@eyesopen.com>
5378 Revert incorrect fix for PR target/27158
5379 2006-05-08 Roger Sayle <roger@eyesopen.com>
5380 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5381 of a reg_equiv_constant if the result is a legitimate constant.
5383 2006-06-11 Roger Sayle <roger@eyesopen.com>
5386 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5387 extract a CONST_VECTOR element and interpret it as an integer.
5388 (vspltis_constant): Use const_vector_elt_as_int instead of the
5389 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5390 * config/rs6000/predicates.md (easy_vector_const): Consider
5391 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5393 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5396 * stor-layout.c (update_alignment_for_field): Don't add extra
5397 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5400 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5402 * config/mips/t-rtems: Add EL/EB multilib variants.
5404 2006-06-09 Mike Stump <mrs@apple.com>
5406 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5408 2006-06-09 David Daney <ddaney@avtrex.com>
5410 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5412 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5414 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5416 2006-06-09 Richard Guenther <rguenther@suse.de>
5418 PR tree-optimization/26998
5419 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5420 of signed types, only TYPE_MIN_VALUE is special, but for both,
5421 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5422 in this case, as is -fwrapv.
5424 2006-06-08 Mike Stump <mrs@apple.com>
5427 * config/darwin.c (darwin_asm_output_anchor): Disable
5428 -fsection-anchors on darwin for now.
5429 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5430 * rs6000/rs6000.c (optimization_options): Likewise.
5432 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5435 * config/i386/i386.c (classify_argument): Skip fields with invalid
5438 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5440 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5441 (cse_insn): Likewise for the stack_pointer_rtx.
5443 2006-06-08 Roger Sayle <roger@eyesopen.com>
5445 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5446 conditions from floating point comparisons.
5448 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5451 * expmed.c (struct alg_hash_entry): Fix type of field T
5452 to match synth_mult argument.
5453 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5455 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5458 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5461 2006-06-08 Richard Guenther <rguenther@suse.de>
5464 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5465 only, if overflow is defined and not trapping.
5466 (negate_expr): Likewise.
5468 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5470 PR tree-optimization/27872
5471 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5472 flag on the new exit edge of the unrolled loop.
5474 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5476 PR rtl-optimization/26449
5477 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5479 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5482 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5483 referenced_variables with matching DECL_UID's.
5484 (find_referenced_vars): Make sure duplicate list is empty to start.
5485 (referenced_var_p): Remove.
5486 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5487 Check if var is in the list, and add if needed. Update the duplicate
5488 list if a different var is in the list with the same DECL_UID.
5489 (add_referenced_var): Call routine to check and insert.
5490 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5491 * tree-flow.h (referenced_vars_dup_list): External declaration.
5493 2006-06-07 Fred Fish <fnf@specifix.com>
5495 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5498 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5501 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5502 the imaginary and real parts of a clobbered register.
5503 Emit insn to set the imaginary part.
5505 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5507 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5508 in lieu of unwind-dw2-fde.c.
5510 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5512 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5514 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5517 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5518 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5519 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5520 V4SImode temporaries and operations instead.
5522 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5524 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5527 2006-06-06 Mike Stump <mrs@apple.com>
5529 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5530 installing during build.
5532 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5534 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5536 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5537 * config/ia64/ia64.c (params.h): New header.
5538 (ia64_optimization_options): New function to adjust parameters.
5539 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5540 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5541 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5543 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5545 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5547 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5550 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5552 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5553 Victor Kaplansky <victork@il.ibm.com>
5555 PR tree-optimization/26360
5556 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5559 2006-06-04 Roger Sayle <roger@eyesopen.com>
5560 Andrew Pinski <pinskia@physics.uc.edu>
5563 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5564 for LABEL_DECL before calling DECL_WEAK.
5567 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5568 LABEL_DECL and PARM_DECL.
5570 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5574 * c-decl.c (grokdeclarator): Disallow variably modified types at
5575 file scope. Avoid marking shared array type of constant size as
5578 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5581 * c-common.c (fold_offsetof_1): Handle static members.
5583 2006-06-04 Eric Christopher <echristo@apple.com>
5585 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5586 (debug_rli): Output value for remaining_in_alignment.
5587 (update_alignment_for_field): Unconditionalize
5588 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5589 extra alignment code.
5590 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5591 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5592 * tree.h (record_layout_info_s): Remove prev_packed.
5593 * doc/extend.texi (ms_struct): Add documentation of format.
5595 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5597 * tree.h: Declare folding_initializer.
5598 * builtins.c (fold_builtin_constant_p): Give definite answer
5599 if folding inside an initializer.
5600 * fold-const.c: Define folding_initializer.
5601 (START_FOLD_INIT): Save and then set folding_initializer.
5602 (END_FOLD_INIT): Restore folding_initializer.
5604 2006-06-04 Richard Guenther <rguenther@suse.de>
5606 PR tree-optimization/27039
5607 * fold-const.c (fold_comparison): Handle pointer comparison
5608 again for all comparison codes. Compare offsets in signed
5610 (fold_binary): Move code from here.
5612 2006-06-03 Roger Sayle <roger@eyesopen.com>
5615 * config/i386/i386.c (construct_container): Split static issued_error
5616 flag into issued_sse_arg_error, issued_sse_ret_error and
5617 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5618 requires the use of x87 registers and the user explicitly
5619 specified the -mno-80387 command line option.
5621 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5623 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5624 HAVE_DECL_SIGALTSTACK.
5626 (segv_handler): Use MC_FLD.
5627 * configure.ac: Check for a sigaltstack declaration.
5628 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5629 * configure: Regenerate.
5630 * config.in: Regenerate.
5632 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5635 * Makefile.in (stmp-fixinc): Fix typo.
5637 2006-06-02 Roger Sayle <roger@eyesopen.com>
5639 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5640 are type correct. Clean-up.
5641 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5642 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5644 2006-06-01 DJ Delorie <dj@redhat.com>
5646 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5647 shift, as we've disabled the "switch" insn that needs it.
5649 2006-06-01 Per Bothner <bothner@bothner.com>
5651 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5652 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5653 * c-ppoutput.c (cb_define): Don't increment line 0.
5655 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5657 * doc/invoke.texi: Add cpu_type power6.
5658 * config.gcc: Add cpu_type power6.
5659 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5660 to power5+ with Altivec.
5661 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5662 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5664 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5666 * config/avr/avr.h (SET_ASM_OP): Define.
5668 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5670 * config/bfin/bfin.c: Fix comment typos.
5672 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5675 * doc/install.texi: Document --enable-bootstrap and
5676 --disable-bootstrap.
5678 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5680 * doc/install.texi: Document that InfoZIP can replace jar.
5682 2006-05-31 Roger Sayle <roger@eyesopen.com>
5684 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5685 isn't available, directly generate the simpler x87 patterns without
5686 the (use (const_int 0)).
5687 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5688 implementation isn't available.
5689 (*negdf2_1): Likewise.
5690 (*negxf2_1): XF mode negation is always done using the x87.
5691 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5693 2006-05-31 Roger Sayle <roger@eyesopen.com>
5695 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5696 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5698 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5700 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5702 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5703 * config/bfin/bfin.c (basic-block.h): Include.
5704 (struct machine_function): New.
5705 (bfin_init_machine_status): New.
5706 (override_options): Initialize init_machine_status.
5707 (bfin_hardware_loop): New.
5708 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5709 (DEF_VEC_P (loop_info)): New.
5710 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5711 (struct loop_info): New.
5712 (loop_info): New typedef.
5713 (struct loop_work): New.
5714 (loop_work): New typedef.
5715 (DEF_VEC_O (loop_work)): New.
5716 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5717 (bfin_dump_loops): New.
5718 (bfin_bb_in_loop): New.
5719 (bfin_scan_loop): New.
5720 (bfin_optimize_loop): New.
5721 (bfin_reorg_loops): New.
5722 (bfin_reorg): Use bfin_reorg_loops.
5723 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5725 (I_REGNO_P): Simplify.
5726 (DP_REGNO_P, DPREG_P): New macros.
5727 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5728 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5729 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5730 Add LT_REGS, LC_REGS, LB_REGS.
5731 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5733 (REGNO_REG_CLASS): Deal with loop registers.
5734 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5736 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5737 New constants for loop registers.
5738 (UNSPEC_LSETUP_END): New.
5739 (seq_insns): New define_attr. Set it for appropriate insns.
5740 (movsi_insn): Add alternatives for move from/to
5741 loop count registers.
5742 (doloop_end): New define_expand.
5743 (loop_end): New define_insn.
5744 (define_split for bad doloop_end): New.
5745 (lsetup_with_autoinit): New define_insn.
5746 (lsetup_without_autoinit): New define_insn.
5747 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5748 * config/bfin/predicates.md (lc_register_operand): New.
5749 (lt_register_operand): New.
5750 (lb_register_operand): New.
5751 (nondp_register_operand): New.
5752 (nondp_reg_or_memory_operand): New.
5753 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5755 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5757 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5758 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5760 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5762 * Makefile.in (CATALOGS): Add po/ prefix.
5763 * configure: Regenerated.
5765 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5768 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5769 a shift operand before calling shift_op. Avoid redundant call of
5772 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5773 DJ Delorie <dj@redhat.com>
5775 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5776 we're inserting is a singlt-bit constant.
5778 2006-05-30 Roger Sayle <roger@eyesopen.com>
5780 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5781 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5783 2006-05-30 Roger Sayle <roger@eyesopen.com>
5785 PR tree-optimization/23452
5786 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5787 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5788 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5789 complex values and with -ffast-math for FP complex values.
5791 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5793 * c-common.h: Remove the prototype for yyparse.
5794 * rtl.h: Remove the prototype for init_loop.
5796 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5798 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5801 2006-05-30 Roger Sayle <roger@eyesopen.com>
5803 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5805 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5806 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5808 2006-05-30 Dirk Mueller <dmueller@suse.de>
5811 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5812 for CONSTANT_CLASS_P expresisons.
5814 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5817 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5819 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5821 PR tree-optimization/27779
5822 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5823 initial_condition instead of CHREC_LEFT.
5825 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5827 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5828 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5829 Make prototypes ISO C90.
5831 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5832 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5834 * see.c (see_analyze_one_def): Correct check.
5835 (see_get_extension_data): Check if extension is parallel.
5836 (see_get_extension_reg): Likewise.
5838 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5841 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5842 into register for (code == GTU).
5844 2006-05-29 Roger Sayle <roger@eyesopen.com>
5846 PR tree-optimization/24964
5847 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5848 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5849 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5850 abs(x)*abs(x) as x*x for scalar floating point modes.
5852 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5855 * lambda-code.c (perfect_nestify): Don't copy statements
5856 in the inner loop: move them to the inner loop header.
5858 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5861 * c-tree.texi: Document OpenMP directives and clauses.
5863 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5865 * varasm.c (globalize_decl): Fix indentation.
5867 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5870 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5871 pass_fre, pass_store_ccp, pass_copy_prop,
5872 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5873 pass_return_slot, pass_object_size, pass_lim,
5874 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5875 pass_loop_prefetch and pass_stdarg.
5877 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5879 * config/bfin/bfin.opt (mfdpic): New option.
5880 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5881 (EXTRA_MULTILIB_PARTS): Likewise.
5882 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5883 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5885 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5886 (CRT_CALL_STATIC_FUNCTION): New.
5887 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5889 (CRT_CALL_STATIC_FUNCTION): New.
5890 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5892 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5893 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5894 (initialize_trampoline): Changed to handle FD-PIC code generation.
5895 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5896 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5897 (override_options): Disallow -mid-shared-library -mfdpic combination.
5898 Can't do unaligned ops if FD-PIC.
5899 Turn off flag_pic if trying to generate non-id-shared-library
5900 non-fdpic code, since it's not supported.
5901 (bfin_assemble_integer): New function.
5902 (TARGET_ASM_INTEGER): Define.
5903 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5905 * config/bfin/crtn.s: Restore them.
5906 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5908 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5909 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5910 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5911 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5912 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5914 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5915 FDPIC_REGS and FDPIC_FPTR_REGS.
5916 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5917 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5918 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5919 (load_funcdescsi): New pattern.
5920 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5921 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5922 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5924 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5926 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5929 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5931 * tree-flow.h: Remove the prototype for add_type_alias.
5932 * tree-ssa-alias.c (add_type_alias): Remove.
5934 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5936 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5937 config/fr30/fr30.md, config/i386/i386-interix.h,
5938 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5939 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5940 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5941 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5942 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5943 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5944 Follow spelling conventions.
5945 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5946 Follow spelling conventions.
5948 2006-05-27 Richard Guenther <rguenther@suse.de>
5951 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5952 to produce a constant of value 1 of generic type.
5954 2006-05-27 Dirk Mueller <dmueller@suse.de>
5956 * cgraphunit.c (decide_is_function_needed): Fix wrong
5959 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5961 PR rtl-optimization/27661
5962 * reload.c (find_reloads): When reloading a VOIDmode constant
5963 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5964 use Pmode as mode of the reload register.
5966 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5968 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5969 is enabled at -O and above.
5971 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5974 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5977 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5980 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5981 for anonymous variables explicitly declared by front ends.
5983 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5985 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5986 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5987 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5988 ref-all pointers, run a finalization pass for them.
5989 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5990 (finalize_ref_all_pointers): New function.
5991 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5992 regular pointer type to a ref-all pointer type.
5993 (get_tmt_for): Return the special memory tag for ref-all pointers.
5995 2006-05-25 Richard Guenther <rguenther@suse.de>
5998 * fold-const.c (fold_binary): Do not look at the stripped
5999 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6001 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6003 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6004 for LT and GT if the computed range is effectively empty.
6006 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6009 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6010 mips_quad_format formats instead of ieee_single_format,
6011 ieee_double_format and ieee_quad_format formats, respectively.
6013 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6015 PR tree-optimization/27639
6016 PR tree-optimization/26719
6017 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6018 call to scev_probably_wraps_p.
6019 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6020 used_in_pointer_arithmetic_p, convert_step): Removed.
6021 (nowrap_type_p): New function.
6022 (scev_probably_wraps_p): Rewritten.
6023 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6024 chrec_convert if chrec_convert_aggressive might have been used.
6025 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6026 scev_direction): New functions.
6027 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6028 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6029 instead of convert_step.
6030 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6031 (convert_step): Declaration removed.
6032 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6034 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6036 * df-core.c: Added to header comments.
6037 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6038 df_ur_bb_info, df_urec_bb_info): Added comments.
6039 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6040 urec, ri problems): Fixed header comments.
6041 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6042 code from df_rd_transfer_function.
6044 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6046 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6047 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6048 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6050 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6052 * expr.c (undefined_operand_subword_p): New.
6053 (emit_move_multi_word): Do not generate move from undefined bits
6054 of a paradoxical subreg.
6056 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6058 PR rtl-optimization/27736
6059 * combine.c (replaced_rhs_value): New variable.
6060 (combine_instructions): Set it.
6061 (distribute_notes): When distributing a note in replaced_rhs_insn,
6062 check whether the value was used in replaced_rhs_value.
6064 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6067 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6068 add_referenced_var instead of add_referenced_tmp_var.
6069 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6070 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6072 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6073 tree_optimize_tail_calls_1): Use add_referenced_var.
6074 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6075 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6076 Use add_referenced_var.
6077 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6078 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6079 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6080 Use add_referenced_var.
6081 * tree-dfa.c (struct walk_state): Remove.
6082 (find_referenced_vars): Remove walk state and vars_found hash table.
6083 (make_rename_temp): Use add_referenced_var.
6084 (find_vars_r): Pass less parameters to add_referenced_var.
6085 (referenced_var_p): New. Is var in referenced_var hash table.
6086 (referenced_var_insert): Assert var isn't already in hash table.
6087 (add_referenced_var): Don't need walk_state parameter. Add var if it
6088 isn't already in the hash table.
6089 (add_referenced_tmp_var): Remove.
6090 (find_new_referenced_vars_1): Use add_referenced_var.
6091 * tree-ssa-pre.c (create_expression_by_pieces,
6092 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6093 Use add_referenced_var.
6094 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6095 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6096 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6098 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6099 vect_create_data_ref_ptr, vect_create_destination_var,
6100 vect_init_vector, vect_build_loop_niters,
6101 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6102 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6103 Use add_referenced_var.
6104 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6105 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6106 (add_referenced_var): Add prototype.
6107 * tree-ssa-structalias.c (get_constraint_for,
6108 intra_create_variable_infos): Use add_referenced_var.
6110 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6112 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6113 big-endian paradoxical subregs.
6114 * var-tracking.c (struct micro_operation_def): Document that,
6115 for modify micro operations, insn is the subsequent instruction.
6116 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6117 (var_reg_set, var_mem_set): ... new functions.
6118 (add_stores): Record subsequent insn.
6119 (compute_bb_dataflow): Use new functions for MO_USE.
6120 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6121 notes after the insn, and modify notes before the insn known
6122 to be the subsequent one.
6123 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6125 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6128 * config/i386/i386.c (ix86_expand_builtin): Use
6129 gen_sse3_monitor64 for TARGET_64BIT.
6131 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6133 PR rtl-optimization/26375
6134 PR rtl-optimization/26855
6135 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6137 (df_ru_bb_local_compute): Reversed statements and removed bogus
6138 comment explaining why they should be in wrong order.
6139 (df_ru_dump, df_rd_dump): Enhanced debug info.
6140 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6142 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6143 reaching uses and fixed space problem.
6145 2006-05-23 Jan Hubicka <jh@suse.cz>
6147 * cgraphunit.c (decide_is_function_needed): Also nested functions
6148 and functions declared inline can be optimized out at -O0.
6150 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6152 * doc/install.texi (Configuration): Remove reference to CrossGCC
6156 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6159 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6160 ix86_compare_emitted is non-NULL.
6162 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6165 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6168 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6170 PR rtl-optimization/25514
6171 * combine.c (replaced_rhs_insn): New variable.
6172 (combine_instructions): Set replaced_rhs_insn when trying to replace
6173 a SET_SRC with a REG_EQUAL note.
6174 (distribute_notes): Use replaced_rhs_insn when determining the live
6175 range of a REG_DEAD register.
6177 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6178 Anatoly Sokolov <aesok@post.ru>
6180 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6181 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6182 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6183 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6184 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6185 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6186 at90usb647, at90usb1286 and at90usb1287 devices.
6187 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6188 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6190 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6192 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6194 2006-05-22 Richard Guenther <rguenther@suse.de>
6197 2006-01-31 Richard Guenther <rguenther@suse.de>
6198 Paolo Bonzini <bonzini@gnu.org>
6200 * doc/install.texi (--disable-libgcc-math): Document.
6202 2006-05-22 Richard Guenther <rguenther@suse.de>
6205 2006-01-31 Richard Guenther <rguenther@suse.de>
6207 * doc/invoke.texi (-msselibm): Document.
6208 * target.h (expand_library_builtin): New target hook.
6209 * builtins.c (expand_builtin): Use expand_library_builtin.
6210 (default_expand_library_builtin): New function.
6211 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6212 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6213 (link_gcc_math_spec): Declare.
6214 (static_specs): Add link_gcc_math_spec.
6215 * expr.h (default_expand_library_builtin): Declare.
6216 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6217 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6218 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6219 * config/i386/i386.opt (msselibm): New target option.
6220 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6221 (ix86_init_sse_abi_builtins): New function.
6222 (ix86_expand_library_builtin): Likewise.
6223 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6224 (override_options): Handle error conditions wrt -msselibm.
6225 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6226 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6227 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6230 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6233 * c-common.c (self_promoting_args_p): Skip erroneous args.
6236 * c-decl.c (finish_struct): Skip erroneous fields.
6238 2006-05-22 Nick Clifton <nickc@redhat.com>
6240 * config/cris/cris.opt (march): Remove VarExists attribute.
6241 (max-stackframe=): Likewise.
6243 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6245 * doc/rtl.texi: Fix a typo.
6246 * see.c: Fix comment typos.
6248 * tree-ssa-structalias.h (alias_info): Remove num_references.
6250 2006-05-21 Mike Stump <mrs@apple.com>
6252 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6254 (darwin_pragma_options): Use BAD instead.
6255 (darwin_pragma_unused): Likewise.
6256 (darwin_pragma_ms_struct): Likewise.
6258 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6260 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6262 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6264 PR rtl-optimization/27671
6265 * simplify-rtx.c (simplify_relational_operation_1): Fix
6266 simplifications of (eq/ne (xor x y) y) and
6267 (eq/ne (xor x y) x).
6269 PR tree-optimization/26622.
6270 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6273 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6275 * tree-cfg.c: Prune whitespace.
6276 (debug_tree_cfg): Point to correct header containing the
6279 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6282 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6284 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6287 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6288 or sorry count is non zero.
6290 2006-05-20 Andreas Schwab <schwab@suse.de>
6292 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6294 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6295 Kenneth Zadeck <zadeck@naturalbridge.com>
6297 PR rtl-optimization/26855
6299 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6301 (df_scan_alloc): Added code to properly handle multiword hard
6302 registers and add all_blocks parameter.
6303 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6304 code to properly handle multiword hard registers.
6305 (df_rescan_blocks): Added code to remove deleted blocks from
6307 (df_ref_create_structure, df_ref_record): Added code to properly
6309 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6310 and set DF_REF_PARTIAL.
6311 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6312 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6313 (df_scan_add_problem): Added flags parameter.
6314 (df_ref_create_structure): Changed switching structure.
6315 (df_bb_refs_record): Fixed case where duplicate artificial refs
6316 were created. Changed location of flags.
6317 (df_record_entry_block_defs): Added code to make stack pointer
6318 live in entry block. Refined cases where frame pointer is needed.
6319 Changed location of flags.
6320 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6321 (df_set_state): Removed function.
6322 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6323 df_insn_create_insn_record, df_insn_refs_delete,
6324 df_ref_create_structure): Formatting changes.
6325 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6326 df_delete_basic_block): New function.
6327 (df_init): Changed location of flags.
6328 (df_add_problem): Added flags parameter and the way flags are
6330 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6331 debug_df_chain): Improved debugging output.
6332 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6333 (df_refs_chain_dump): Removed df parameter.
6334 (df_iterative_dataflow): Added consistency check.
6335 (df_prune_to_subcfg): Made public.
6336 (df_analyze_problem): Added blocks_to_init parameter and made
6338 (df_ref_record, df_bb_refs_record, df_mark_reg,
6339 df_record_exit_block_uses): Whitespace changes.
6340 (df_dump): Whitespace changes.
6341 * df.h: Some reordering to remove forward references.
6342 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6343 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6344 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6345 (dataflow.flags): New field.
6346 (df.flag): Deleted field.
6347 (df_alloc_function): Added additional bitmap parameter.
6348 (df_dependent_problem_function): New type.
6349 (df_problem.changeable_flags): New field.
6350 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6351 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6352 (df_mw_hardreg): New struct.
6353 (DF_INSN_UID_MWS): New macro.
6354 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6356 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6357 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6358 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6359 (df_set_state): Removed function.
6360 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6361 * df-problems.c (df_chain_dump): Removed df parameter.
6362 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6363 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6365 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6366 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6367 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6368 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6369 DF_REF_MUST_CLOBBER cases.
6370 (df_ru_bb_local_compute_process_def,
6371 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6372 df_lr_bb_local_compute, df_ur_bb_local_compute,
6373 df_chain_create_bb): Made subreg aware.
6374 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6375 df_lr_bb_local_compute, df_lr_bb_local_compute,
6376 df_chain_create_bb): Cleanup to use proper macros.
6377 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6378 code to fixup bitvectors.
6379 (df_ri_alloc): Cleared lifetime.
6380 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6381 df_create_unused_note): New function.
6382 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6383 REG_DEAD and REG_UNUSED notes as well as register information.
6384 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6385 df_chains_dump): Fixed crash if problem was never run.
6386 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6387 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6388 df_ri_add_problem): Processes flags in uniform manner.
6389 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6390 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6391 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6392 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6393 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6394 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6395 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6396 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6397 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6398 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6399 * see.c (see_initialize_data): Ditto.
6400 * final.c (rest_of_clean_state) Added regstack_completed.
6401 * rtl.h (regstack_completed): Ditto.
6402 * reg-stack.c (regstack_completed): Ditto.
6404 2006-05-19 Mike Stump <mrs@apple.com>
6406 * c-tree.h (default_conversion): Remove.
6407 * c-common.h (default_conversion): Add.
6409 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6411 * tree-vrp.c (valid_value_p): New function.
6412 (adjust_range_with_scev): Fail if the value of bound is not
6415 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6417 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6418 (mips_fallback_frame_state): Use syscall numbers to determine
6419 the appropriate li instruction for the current ABI. Only use
6420 __NR_sigreturn for o32.
6422 2006-05-19 Nicolas Setton <setton@adacore.com>
6424 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6425 * langhooks.c (lhd_dwarf_name): New function.
6426 * langhooks-def.h (lhd_dwarf_name): Declare.
6427 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6428 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6429 * ada/misc.c (gnat_dwarf_name): New function.
6430 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6432 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6434 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6436 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6437 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6438 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6439 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6440 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6441 determine the size of Wtype, etc.
6442 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6443 (swfloatfuncs): New variable.
6444 (dwfloatfuncs): Likewise.
6445 (lib2funcs): Remove floating-point conversion functions from
6446 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6447 the set of conversion routines needed. Allow entries to specify
6448 an object name, filename and word size. Update users accordingly.
6449 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6450 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6454 2006-02-08 Roger Sayle <roger@eyesopen.com>
6457 * config/fixtfdi.c: New libgcc source file.
6458 * config/fixunstfdi.c: New source file.
6459 * config/floatditf.c: New source file.
6460 * config/floatunditf.c: New souce file.
6461 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6462 files above instead of config/mips/_tilib.c.
6463 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6465 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6467 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6468 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6470 2006-05-18 Mike Stump <mrs@apple.com>
6472 Fix up vla, vm and [*] sematics.
6478 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6479 (c_vla_unspec_p): Add.
6480 (c_vla_type_p): Add.
6481 * c-decl.c (struct c_scope): Add had_vla_unspec.
6482 (build_array_declarator): Add support for [*].
6483 (grokdeclarator): Likewise.
6484 (grokparms): Likewise.
6485 (get_parm_info): Likewise.
6486 * c-objc-common.c (c_vla_unspec_p): Likewise.
6487 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6488 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6489 typeof when argument is a variably modified type not inside sizeof or alignof.
6490 (c_parser_direct_declarator_inner): Propagate errors.
6491 (c_parser_sizeof_expression): Add support for [*].
6492 (c_parser_parms_declarator): Initialize had_vla_unspec.
6493 (c_parser_parms_list_declarator): Likewise.
6494 * c-typeck.c (c_vla_type_p): Add.
6495 (composite_type): Add support for vla compositing.
6496 (comptypes_internal): Add support for vla compatibility.
6497 (c_expr_sizeof_expr): Evaluate vla arguments.
6498 * tree.c (variably_modified_type_p): Update comment for [*].
6500 2006-05-18 Michael Matz <matz@suse.de>
6503 * config.host: Make assignments to host_xmake_file cumulative.
6504 * config.host (*-darwin*): Test $host, not $target.
6506 2006-05-12 Stuart Hastings <stuart@apple.com>
6508 * config/i386/i386.opt (-mstackrealign): New flag.
6509 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6510 (ix86_handle_cconv_attribute): Emit error when
6511 force_align_arg_pointer attribute collides with too many regparms.
6512 (ix86_function_regparm): Limit regparms when used with
6513 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6514 Support stack-realigning prologue in non-main functions. Emit
6515 warning for nested functions under -mstackrealign, emit error for
6516 nested functions with force_align_arg_pointer attribute.
6517 * doc/extend.texi (force_align_arg_pointer): Document it.
6518 * doc/invoke.texi (-mstackrealign): Document it.
6520 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6522 PR rtl-optimization/27477
6523 * combine.c (try_combine): Don't split a parallel consisting
6524 of two sets into two individual sets if both sets reference
6527 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6529 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6530 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6532 * doc/options.texi (VarExists): Updated.
6534 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6536 * unwind-dw2.c: Add declarations for uw_update_context and
6538 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6539 detected, advance frame state and context once to skip over stub.
6541 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6545 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6546 Call rewrite_into_loop_closed_ssa only when something changed.
6547 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6548 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6549 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6550 Test for perfect_nest_p here. Fix formating.
6551 (replace_uses_equiv_to_x_with_y): Fix formating.
6552 (stmt_uses_op): Removed.
6553 (can_convert_to_perfect_nest): Removed loopivs parameter.
6554 Complete the test by checking the scalar dependences.
6555 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6558 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6561 From Dan Kegel <dank@kegel.com>:
6562 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6564 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6566 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6567 if the element type is variably modified without recursing.
6569 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6572 * tree-loop-linear.c (try_interchange_loops): Test for
6573 no data dependences.
6575 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6577 PR tree-optimization/27548
6578 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6579 range of ssa names that appear on abnormal edges.
6580 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6581 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6583 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6586 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6588 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6591 * tree.h (OMP_PARALLEL_COMBINED): Define.
6592 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6593 (new_omp_context): Add is_combined_parallel argument.
6594 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6595 new_omp_context caller.
6596 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6597 Adjust gimplify_scan_omp_clauses callers.
6598 (omp_is_private): Issue errors if iteration variable is firstprivate
6599 or reduction in the current context.
6600 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6601 on combined parallel workshare constructs.
6603 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6605 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6606 (gcc-options.o): New rule.
6608 * optc-gen.awk: Protect variables for gcc-options.o with
6609 #ifdef GCC_DRIVER/#endif.
6611 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6613 Fix PR tree-optimization/27373
6614 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6615 (forward_propagate_addr_expr): Update call.
6617 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6619 * doc/options.texi: Move the Negative option.
6621 2006-05-16 Richard Guenther <rguenther@suse.de>
6623 PR tree-optimization/22303
6624 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6626 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6627 ccp_fold did not simplify the statement.
6629 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6632 * Makefile.in (GCC_OBJS): New.
6633 (OBJS-common): Add opts-common.o.
6634 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6635 (cpp$(exeext)): Likewise.
6636 (gcc.o): Also depend on opts.h.
6637 (opts-common.o): New.
6639 * common.opt (gcoff): Add Negative(gdwarf-2).
6640 (gdwarf-2): Add Negative(gstabs).
6641 (gstabs): Add Negative(gstabs+).
6642 (gstabs+): Add Negative(gvms).
6643 (gvms): Add Negative(gxcoff).
6644 (gxcoff): Add Negative(gxcoff+).
6645 (gxcoff+): Add Negative(gcoff).
6646 * config/i386/i386.opt (m32): Add Negative(m64).
6647 (m64): Add Negative(m32).
6649 * doc/options.texi: Document the Negative option.
6651 * gcc.c: Include "opts.h".
6652 (main): Call prune_options after expandargv.
6654 * optc-gen.awk: Generate common declarations for all flag
6655 variables in options.c. Output the neg_index field.
6657 * opts.c (find_opt): Moved to ...
6658 * opts-common.c: Here. New file.
6660 * opts.h (cl_option): Add a neg_index field.
6662 (prune_options): Likewise.
6664 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6667 * omp-low.c (expand_omp_parallel): Don't assert
6668 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6669 instead search for it.
6672 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6675 2006-05-16 Andreas Schwab <schwab@suse.de>
6677 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6680 2006-05-15 Roger Sayle <roger@eyesopen.com>
6683 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6684 integer constants other than zero are only legitimate on TARGET_64BIT.
6685 <CONST_VECTOR> Only zero vectors are legitimate.
6686 (ix86_cannot_force_const_mem): Integral and vector constants can
6687 always be put in the constant pool.
6689 2006-05-16 DJ Delorie <dj@redhat.com>
6691 * crtstuff.c (__dso_handle): Set section from
6692 TARGET_LBIGCC_SDATA_SECTION if defined.
6693 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6694 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6696 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6699 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6702 2006-05-16 Ben Elliston <bje@au.ibm.com>
6704 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6706 2006-05-15 Per Bothner <per@bothner.com>
6708 * tree.c: (last_annotated_node): Use source_locus typedef.
6709 This permits bootstrapping with --enable-mapped-location.
6711 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6713 PR tree-optimization/26830
6714 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6715 (info_for_ssa_name, current_info_for_ssa_name_age,
6716 blocks_to_update): New variables.
6717 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6718 (clear_ssa_name_info, initialize_flags_in_bb,
6719 mark_block_for_update): New functions.
6720 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6721 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6722 prepare_def_site_for): Use mark_block_for_update.
6723 (mark_def_interesting): Assert that the processed block is marked in
6724 blocks_to_update. Do not take blocks argument.
6725 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6727 (rewrite_update_init_block, rewrite_update_stmt): Only process
6728 blocks with statements to rewrite.
6729 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6730 (update_ssa): Initialize and free blocks_to_update. Do not
6731 clear flags on statements. Do not use blocks bitmap.
6732 * tree.h (SSA_NAME_AUX): Removed.
6733 (struct tree_ssa_name): Removed aux field.
6734 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6736 2006-05-15 Richard Guenther <rguenther@suse.de>
6738 PR tree-optimization/27603
6739 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6740 Do computations in original type.
6742 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6744 * see.c: Code style changes such as redundant paranthesis,
6745 redundant intialization of local variables etc.
6746 (see_main): Declared now as static.
6747 * doc/invoke.texi: Update that -fsee is not enabled by
6750 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6752 * omp-low.c (check_omp_nesting_restrictions): New function.
6753 (scan_omp_1): Call it.
6756 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6757 construct, return *VAR.
6759 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6761 PR rtl-optimization/27406
6762 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6765 2006-05-14 Roger Sayle <roger@eyesopen.com>
6767 PR rtl-optimization/27538
6768 * combine.c (expand_compound_operation): Call gen_lowpart
6769 before calling simplify_shift_const.
6771 2006-05-14 Roger Sayle <roger@eyesopen.com>
6773 PR rtl-optimization/22563
6774 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6775 a fixed width bitfield, always force the intermediates into psuedos.
6777 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6780 * mkconfig.sh: Use operator = instead of == for test.
6782 2006-05-13 Nick Clifton <nickc@redhat.com>
6784 * dwarf2out.c (dbx_reg_number): Check return value from
6785 LEAF_REG_REMAP and only use it if it is valid.
6786 (multiple_reg_loc_descriptor): Likewise.
6788 2006-05-13 Richard Guenther <rguenther@suse.de>
6790 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6793 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6795 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6796 information attached to non-INSNs such as NOTEs.
6797 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6799 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6801 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6803 * config/s390/s390.md: Adjust comment describing On constraint.
6805 2006-05-11 Jan Hubicka <jh@suse.cz>
6807 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6808 to be output at -O0.
6810 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6813 * fold-const.c (size_binop): Move sanity check for arguments to
6814 the beginning of the function.
6817 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6820 2006-05-11 Richard Guenther <rguenther@suse.de>
6823 * fold-const.c (fold_unary): Handle intermediate conversion
6824 to a pointer type like intermediate conversion to an integer
6825 type in folding of (T1)(T2)var to var.
6826 Match the code to the comment in the final conversion for
6827 (T1)(T2)var to (T1)var regarding to type precision. Rather
6828 than disallow T1 being of pointer type, assert that both T1
6829 and var are of pointer type or not. Make sure not to fall
6830 over the frontends lazyness wrt array to pointer decay though.
6832 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6834 * arm.c (arm_struct_value_rtx): Delete.
6835 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6836 (arm_init_cumulative_args): Always initialize nregs to zero.
6838 2006-05-10 Richard Guenther <rguenther@suse.de>
6840 PR tree-optimization/27532
6841 * tree-object-size.c (plus_expr_object_size): Fix typo.
6843 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6846 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6847 ashrdi_const, ashrdi3): Use a scratch register.
6849 2006-05-10 Richard Guenther <rguenther@suse.de>
6851 PR tree-optimization/27302
6852 * fold-const.c (operand_equal_p): For two comparisons,
6853 try comparison of one comparison code swapped if that yields
6856 2006-05-10 Ben Elliston <bje@au.ibm.com>
6858 * tree-pretty-print.c (pretty_print_string): No need to handle
6859 '\0' as a special character.
6861 * tree.h: Include "hashtab.h".
6862 (iterative_hash_expr): Use hashval_t in its prototype.
6863 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6865 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6868 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6869 (hppa*64*-*-hpux11*): Ditto.
6870 (hppa[12]*-*-hpux11*): Ditto.
6872 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6875 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6877 2006-05-09 Michael Matz <matz@suse.de>
6879 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6880 host_extra_gcc_objs and host_xmake_file.
6881 (<*-*-linux*>): Don't overwrite host_xmake_file.
6882 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6883 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6884 (host_detect_local_cpu): Declare.
6885 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6886 * config/i386/i386.c (override_options): Handle -mtune=native
6888 * config/i386/x-i386: New file.
6889 * config/i386/driver-i386.c: New file.
6890 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6893 2006-05-09 Dirk Mueller <dmueller@suse.de>
6894 Richard Guenther <rguenther@suse.de>
6897 * fold-const.c (fold_read_from_constant_string): Relax check
6898 for matching types to matching modes.
6900 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6902 PR rtl-optimization/27335
6903 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6906 2006-05-08 Chao-ying Fu <fu@mips.com>
6907 Richard Sandiford <richard@codesourcery.com>
6909 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6910 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6911 * config/mips/mips.md (UNSPEC_SCC): New constant.
6912 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6913 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6914 (mips_emit_compare): Use it.
6915 (mips_expand_vcondv2sf): New function.
6917 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6919 Fix PR tree-optimization/27093
6920 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6921 renaming when they become not-used_alone.
6923 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6925 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6926 relocation and relocation stubs.
6928 2006-05-08 Eric Christopher <echristo@apple.com>
6930 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6933 2006-05-08 Jan Hubicka <jh@suse.cz>
6936 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6937 unused static functions are needed.
6939 2006-05-08 Roger Sayle <roger@eyesopen.com>
6942 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6943 of a reg_equiv_constant if the result is a legitimate constant.
6945 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6948 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6949 standard 80387 constants, raise the cost to prevent
6950 compress_float_constant() to generate load from memory.
6952 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6954 * config/arm/constraints.md (c): Fix a typo.
6956 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6959 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6962 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6964 (_mm_mwait): Likewise.
6966 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6968 (sse3_monitor): Make it 32bit only.
6969 (sse3_monitor64): New. 64bit monitor.
6971 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6974 * config/i386/i386.c (classify_argument): Skip fields with invalid
6977 2006-05-07 Richard Guenther <rguenther@suse.de>
6979 PR tree-optimization/27409
6980 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6981 Do not try to find zero-sized subvars.
6983 2006-05-07 Richard Guenther <rguenther@suse.de>
6985 PR tree-optimization/27136
6986 * tree-ssa-loop-niter.c (get_val_for): Correct function
6987 comment, assert requirements.
6988 (loop_niter_by_eval): Stop processing if the iterated
6989 value did not simplify.
6991 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6993 * opts.c (flag_see): remove its setting at -O3.
6995 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6997 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6998 * arm/constraints.md: New file.
6999 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7000 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7001 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7002 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7003 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7004 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7005 * arm.md: Include constraints.md.
7006 (thumb_movsi_insn): Use satisfies_constraint_J.
7007 (movhi, movqi): Use satisfies_constraint_I.
7009 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7011 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7012 for atmeg a645 device.
7014 2006-05-06 Richard Guenther <rguenther@suse.de>
7016 PR tree-optimization/27151
7017 * tree-vect-transform.c (vectorizable_condition): Punt on
7018 values that have a different type than the condition.
7020 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7023 * c-parser.c (c_parser_cast_expression): Only insert casts into
7024 hash table if pointer.
7025 * function.c (used_types_insert_helper): Rename from
7027 (used_types_insert): Call used_types_insert_helper.
7028 * function.h (used_types_insert): Accept only one argument.
7030 2006-05-05 David Edelsohn <edesohn@gnu.org>
7032 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7033 scratch with output modifier.
7035 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7038 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7039 with output modifier.
7041 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7044 * config/mips/mips.c (mips_symbolic_address_p): Return true
7045 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7046 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7048 2006-05-04 Richard Guenther <rguenther@suse.de>
7050 PR tree-optimization/14287
7051 PR tree-optimization/14844
7052 PR tree-optimization/19792
7053 PR tree-optimization/21608
7054 PR tree-optimization/27090
7055 * tree-ssa-pre.c (try_combine_conversion): New function.
7056 (compute_avail): After constructing the value-handle
7057 expression, use try_combine_conversion to combine NOP_EXPRs
7058 with previous value-handle expressions and use the result if it
7061 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7063 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7065 2006-05-04 Jan Hubicka <jh@suse.cz>
7068 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7070 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7072 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7073 that this only matches CONST_INTs. All users changed to VOIDmode
7076 * config/bfin/bfin.c: Include "optabs.h".
7077 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7079 (enum bfin_builtins): Add a number of fractional and vector builtins.
7080 (bfin_init_builtins): Likewise.
7081 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7082 (safe_vector_operand, bfin_expand_binop_builtin,
7083 bfin_expand_unop_builtin): New functions.
7084 (bfin_expand_builtin): Handle the new builtins.
7085 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7088 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7091 * Makefile.in (OBJS-common): Add see.o.
7092 (see.o): Add dependencies.
7093 * common.opt (fsee): New flag for the see optimization was added.
7094 * opts.c (flag_see): Initialized.
7095 * passes.c (init_optimization_passes, pass_see): New pass.
7096 * rtl.h (see_main): Declaration as extern.
7097 * timevar.def (TV_SEE): New.
7098 * tree-pass.h (pass_see): Declaration as extern.
7099 * invoke.texi (-fsee): Document.
7100 * recog.c (validate_simplify_insn): New function.
7101 * recog.h (validate_simplify_insn): Declaration as extern.
7102 * df-problems.c (df_chain_dump): Check for NULL.
7104 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7105 Daniel Berlin <dberlin@dberlin.org>
7107 * cfgrtl.c (insert_insn_bb_end_new): New function.
7108 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7110 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7112 * df.h (struct web_entry): Moved from web.c.
7113 (union_defs): Declaration as extern.
7114 (unionfind_root): Likewise.
7115 (unionfind_union): Likewise.
7116 * web.c (struct web_entry): Moved to df.h.
7117 (unionfind_root): Remove static declaration.
7118 (unionfind_union): Likewise.
7119 (union_defs): Likewise and generalize to use callback function.
7120 (web_main): Update arguments for union_defs function call.
7122 2006-05-04 Richard Guenther <rguenther@suse.de>
7124 PR tree-optimization/26447
7125 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7126 produce SSA_NAME copies before the store stmt to avoid
7127 breaking exception handling.
7129 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7132 * gimplify.c (omp_is_private): If var is shared in some outer context,
7133 return false instead of true. Stop searching on parallel context
7136 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7139 * coverage.c: Use get_gcov_unsigned_t() instead of
7140 unsigned_type_node all over.
7142 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7144 PR tree-optimization/27381
7145 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7146 maintain the same immediate_use links.
7147 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7148 node rather than segfaulting.
7150 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7153 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7154 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7155 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7157 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7159 Fix PR tree-optimization/26626
7160 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7162 * tree-ssa-operands.c (access_can_touch_variable): Allow
7163 typecasting through union pointers.
7165 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7168 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7169 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7170 to find if var will be a global variable even in the nested context.
7171 (omp_copy_decl): Only check for global variable at the end, it might
7172 be overridden in outer contexts.
7173 (scan_sharing_clauses): For global variables don't create a field.
7174 (lower_rec_input_clauses): Do nothing for global shared variables.
7175 Emit a barrier at the end of ILIST if there were any decls in both
7176 firstprivate and lastprivate clauses.
7177 (lower_send_clauses): Do nothing for global variables except for
7180 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7182 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7183 of the correct signedness is returned.
7185 2006-05-02 Jeff Law <law@redhat.com>
7187 PR tree-optimization/27364
7188 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7189 multiply expressions.
7191 2006-05-02 Tom Tromey <tromey@redhat.com>
7193 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7195 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7198 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7199 -mthumb -fPIC are used.
7201 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7202 Joshua Kinard <kumba@gentoo.org>
7205 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7206 with 64-bit pointers.
7208 2006-05-02 Paul Brook <paul@codesourcery.com>
7210 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7212 (create_fix_barrier): Check that a suitable barrier location is
7214 (arm_reorg): Include ftmp->address in allowable range of addresses.
7216 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7219 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7222 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7225 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7226 around RESULT_DECL for result passed by reference.
7227 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7228 * omp-low.c (use_pointer_for_field): Don't look at
7229 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7230 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7231 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7232 time or var for passing by reference for
7233 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7234 TREE_ADDRESSABLE variables when passing by reference.
7236 * omp-low.c (dump_omp_region): Fix output formatting.
7239 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7240 (expand_omp_parallel): Likewise.
7241 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7244 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7245 on statement list containing also constructors and destructors.
7246 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7249 * except.c (duplicate_eh_regions): Fix clearing of
7250 cfun->eh->region_array entries.
7252 2006-05-01 DJ Delorie <dj@redhat.com>
7254 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7256 (gcc_cv_objdump): Likewise.
7257 * configure: Regenerated.
7259 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7262 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7263 templates for case 3 and 4.
7265 2006-05-01 DJ Delorie <dj@redhat.com>
7267 * vec.c: Include bconfig.h when appropriate.
7268 * Makefile.in (build/vec.o): Adjust dependencies.
7269 * mkconfig.sh: Make sure config.h isn't used for build machine
7272 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7274 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7276 (mark_phi_for_rewrite): New function.
7277 (insert_phi_nodes_for, mark_use_interesting): Call
7278 mark_phi_for_rewrite.
7279 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7280 (update_ssa): Initialize and free phis_to_rewrite.
7282 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7284 PR rtl-optimization/27291
7285 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7286 folded to a constant.
7288 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7290 PR tree-optimization/27283
7291 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7292 not whole # of iteration descriptions.
7293 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7294 uses abnormal ssa name.
7295 (niter_for_single_dom_exit): Ditto.
7296 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7297 return just the number of iterations.
7299 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7301 PR tree-optimization/27144
7302 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7303 (record_estimate): Only record constant upper bound.
7304 (infer_loop_bounds_from_undefined): Call
7305 compute_estimated_nb_iterations just once.
7306 (proved_non_wrapping_p): Renamed to ...
7307 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7308 (convert_step_widening, scev_probably_wraps_p): Call
7309 n_of_executions_at_most instead of proved_non_wrapping_p.
7310 (substitute_in_loop_info): Do not replace values in bounds.
7311 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7314 2006-05-01 Richard Henderson <rth@redhat.com>
7317 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7318 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7321 2006-05-01 Roger Sayle <roger@eyesopen.com>
7323 * c-typeck.c (parser_build_binary_op): Don't call the function
7324 unsigned_conversion_warning to spot operand/result type overflow.
7325 (build_binary_op): Instead, call convert_and_check instead of
7326 convert to report the problem when the operands are promoted.
7327 * c-common.c (unsigned_conversion_warning): Make static.
7328 * c-common.h (unsigned_conversion_warning): Delete prototype.
7330 2006-05-01 Richard Guenther <rguenther@suse.de>
7332 PR tree-optimization/26726
7333 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7335 (find_interesting_uses_address): ... we work around here
7336 by folding INDIRECT_REFs in the substituted base.
7338 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7340 * omp-low.c (dump_omp_region): Add newlines.
7342 2006-04-30 Roger Sayle <roger@eyesopen.com>
7344 * common.opt (Woverflow): New command line option.
7345 * c-common.c (constant_expression_warning): Check warn_overflow.
7346 (overflow_waring): Pass OPT_Woverflow to warning.
7347 (unsigned_conversion_warning): Likewise.
7348 (convert_and_check): Likewise.
7349 * doc/invoke.texi: Document new command line option.
7351 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7353 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7354 TARGET_NO_FP_IN_TOC for section anchors.
7355 (optimization_options): Enable section anchors for all
7356 non-"Objective" languages.
7358 2006-04-28 Eric Christopher <echristo@apple.com>
7360 * config/darwin-c.c (darwin_ms_struct): Move this
7361 (darwin_set_default_type_attributes): and this...
7362 * config/darwin.c: ... here.
7363 * config/darwin.h (darwin_ms_struct): Declare.
7365 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7367 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7369 2006-04-28 Roger Sayle <roger@eyesopen.com>
7372 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7373 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7374 an unsigned HOST_WIDE_INT.
7375 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7377 (really_start_incremental_init): No need to call convert because
7378 bitsize_zero_node is already of type bitsizetype.
7379 (push_init_level): Extract the value of constructor_index as an
7380 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7381 (process_init_element): Likewise.
7383 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7385 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7386 value before passing to make_relative_prefix.
7388 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7391 * builtins.c (expand_builtin_memset): Expand val in original mode.
7393 2006-04-27 Eric Christopher <echristo@apple.com>
7395 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7396 with #ifndef/#endif.
7397 * config/darwin-c.c (darwin_ms_struct): New.
7398 (darwin_pragma_ms_struct): Ditto.
7399 (darwin_set_default_type_attributes): Ditto.
7400 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7401 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7402 Register ms_struct pragma.
7403 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7404 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7405 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7406 darwin_set_default_type_attributes if TARGET_MACHO.
7408 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7410 PR tree-optimization/26854
7411 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7412 * doc/tree-ssa.texi: Update immuse iterator documentation.
7413 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7414 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7415 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7416 first_safe_imm_use, next_safe_imm_use): Remove.
7417 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7418 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7419 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7420 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7421 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7422 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7423 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7424 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7425 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7426 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7427 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7428 (perfect_nestify): Use new iterator.
7429 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7431 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7432 (next_imm_name): New field in struct immediate_use_iterator_d.
7433 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7434 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7435 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7436 * tree-cfg.c (replace_uses_by): Use new iterator.
7437 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7438 * tree-ssa-operands.c (correct_use_link): Remove.
7439 (finalize_ssa_use_ops): No longer call correct_use_link.
7441 2006-04-27 Stuart Hastings <stuart@apple.com>
7443 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7444 * config/t-darwin (crt3.o): Use it.
7445 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7446 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7447 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7448 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7449 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7452 2006-04-27 Roger Sayle <roger@eyesopen.com>
7454 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7455 size, force the intermediate into a new pseudo rather instead of
7456 performing both a bitwise AND and a bitwise IOR in memory.
7458 2006-04-27 Richard Guenther <rguenther@suse.de>
7460 PR rtl-optimization/26685
7461 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7462 this one "max-flow-memory-locations".
7464 2006-04-27 Richard Guenther <rguenther@suse.de>
7466 PR tree-optimization/25148
7467 * tree-vrp.c (compare_values): Remove code dealing with
7468 comparisons against type min/max value. Honour overflow
7469 and negative constants in code dealing with comparisons
7470 of plus and minus expressions.
7471 (value_inside_range): Use fold_binary with LE_EXPR and
7472 GE_EXPR rather than compare_values.
7474 2006-04-27 Dirk Mueller <dmueller@suse.de>
7476 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7479 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7481 * basic-block.h (safe_insert_insn_on_edge): Removed.
7482 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7484 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7485 Paolo Bonzini <bonzini@gnu.org>
7488 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7489 (simplify_and_const_int): Same.
7491 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7493 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7495 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7498 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7499 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7500 cgraph_global_info_ready.
7503 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7506 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7507 either decl or init is error_mark_node.
7510 * tree-flow.h (struct omp_region): Add sched_kind.
7511 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7512 instead of extracting omp for data.
7513 (expand_omp_for): Save extracted sched_kind.
7515 2006-04-25 Roger Sayle <roger@eyesopen.com>
7517 * expmed.c (store_bit_field): Also check whether the bitsize is
7518 valid for the machine's "insv" instruction before moving the
7519 target into a pseudo for use with the insv.
7520 * config/i386/predicates.md (const8_operand): New predicate.
7521 * config/i386/i386.md (extv, extzv, insv): Use the new
7522 const8_operand predicate where appropriate.
7524 2006-04-25 DJ Delorie <dj@redhat.com>
7526 * doc/install.texi (Specific): Clarify that this is not a list of
7527 supported hosts or targets.
7529 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7531 PR rtl-optimization/26725
7532 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7533 block's BB_DIRTY flag.
7535 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7537 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7540 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7541 to print an integer.
7543 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7545 * varasm.c (align_variable): New function.
7546 (get_block_for_decl): Apply align_variable to DECL before
7547 calculating section information.
7548 (assemble_variable): Split out alignment computation.
7550 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7552 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7555 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7557 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7558 MODE_PARTIAL_INT mode.
7559 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7560 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7562 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7563 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7565 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7567 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7569 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7570 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7571 MACFLAG_IH): Likewise.
7572 (movstricthi_1): Renamed from "*movstricthi".
7573 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7574 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7575 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7576 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7577 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7578 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7579 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7580 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7581 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7582 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7583 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7584 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7585 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7586 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7587 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7589 * doc/rtl.texi (ss_ashift): Improve wording.
7591 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7593 * dwarf2out.c (verify_marks_clear): New.
7594 (prune_unused_types): Call verify_marks_clear initially, not
7597 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7599 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7600 * doc/rtl.texi: Document them.
7601 * simplify-rtx.c (simplify_unary_operation,
7602 simplify_binary_operation_1): Don't abort when we see them.
7604 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7607 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7608 * configure.ac: Completely disregard languages that are not
7610 * configure: Regenerated.
7612 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7613 Richard Guenther <rguenther@suse.de>
7615 PR tree-optimization/27236
7616 * tree-inline.c (copy_body_r): Make sure to copy
7617 TREE_THIS_VOLATILE flag.
7619 2006-04-24 Richard Guenther <rguenther@suse.de>
7622 * tree-complex.c (update_parameter_components): Don't handle
7623 unused parameters which have no default def.
7625 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7626 Richard Guenther <rguenther@suse.de>
7628 PR tree-optimization/27218
7629 * tree-inline.c (expand_call_inline): Strip useless type
7630 conversions for the return slot address.
7632 2006-04-24 Richard Guenther <rguenther@suse.de>
7634 * cfgloop.h (struct loops): Remove unused field array. Reorder
7636 (LOOP_PREFETCH): Remove.
7638 2006-04-24 Richard Guenther <rguenther@suse.de>
7640 PR tree-optimization/22525
7641 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7642 variable, adjust types of generated expressions.
7644 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7646 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7647 (tree-vect-patterns.o): Likewise.
7649 (cselib.o): Likewise.
7650 (loop-doloop.o): Likewise.
7651 (regclass.o): Likewise.
7652 (reload1.o): Likewise.
7653 (explow.o): Replace target.h with $(TARGET_H).
7654 (ipa-prop.o): Likewise.
7655 (ipa-cp.o): Likewise.
7656 (ipa-inline.o): Likewise.
7657 (reorg.o): Likewise.
7658 (reg-stack.o): Likewise.
7660 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7662 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7664 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7666 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7668 * configure.ac: Completely disregard languages that are not
7670 * configure: Regenerated.
7673 * c-common.h (c_build_bitfield_integer_type): Declare.
7674 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7675 * c-common.c (c_build_bitfield_integer_type): ... here.
7677 2006-04-23 Roger Sayle <roger@eyesopen.com>
7680 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7681 a SImode SUBREG of a floating point register after no_new_pseudos.
7683 2006-04-23 Roger Sayle <roger@eyesopen.com>
7685 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7686 identify potentially eliminable registers to additionally catch
7687 VIRTUAL_INCOMING_ARGS_REGNUM.
7688 (addsi3): Update the conditions on when to use addsi_small_int.
7690 2006-04-23 Roger Sayle <roger@eyesopen.com>
7693 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7694 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7695 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7697 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7699 * fold-const.c (range_predecessor): Use operand_equal_p
7700 as the predicate for equality.
7701 (range_successor): Likewise.
7703 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7706 * config/soft-fp/op-common.h: Fix a typo.
7708 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7711 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7712 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7714 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7716 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7718 * doc/tm.texi: Fix a typo.
7720 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7722 * dwarf2out.c (struct die_struct): Document that die_sib makes
7723 a circular linked list.
7724 (FOR_EACH_CHILD): New.
7725 (reverse_die_lists): Delete.
7726 (reverse_all_dies): Delete.
7727 (add_dwarf_attr): Correct documentation.
7728 (remove_child_with_prev): New.
7729 (remove_child_TAG): Update for change to die_struct, use
7730 remove_child_with_prev.
7731 (add_child_die): Update for change to die_struct.
7732 (splice_child_die): Use remove_child_with_prev and add_child_die.
7733 (print_die): Use FOR_EACH_CHILD.
7734 (die_checksum): Likewise.
7735 (assign_symbol_names): Likewise.
7736 (output_location_lists): Likewise.
7737 (build_abbrev_table): Likewise.
7738 (calc_die_sizes): Likewise.
7739 (mark_dies): Likewise.
7740 (unmark_dies): Likewise.
7741 (unmark_all_dies): Likewise.
7742 (output_die): Likewise.
7743 (prune_unused_types_mark): Likewise.
7744 (prune_unused_types_walk): Likewise.
7745 (same_die_p): Update for change to die_struct.
7746 (break_out_includes): Likewise.
7747 (prune_unused_types_prune): Likewise.
7748 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7749 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7751 (dwarf2out_finish): Don't call reverse_all_dies.
7753 2006-04-21 Eric Christopher <echristo@apple.com>
7755 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7756 in comments and function names.
7758 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7761 * c-typeck.c (digest_init): Robustify.
7763 * c-typeck.c (pop_init_level): Simplify.
7765 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7767 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7769 2006-04-21 Paul Brook <paul@codesourcery.com>
7771 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7772 hardware floating point.
7774 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7776 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7779 2006-04-21 Nick Clifton <nickc@redhat.com>
7781 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7784 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7787 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7788 C++ lang type in traceback table for Objective-C++.
7790 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7792 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7794 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7796 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7799 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7800 were errors. Remove check for erroneous objects.
7802 2006-04-20 Jeff Law <law@redhat.com>
7804 PR tree-optimization/26854
7805 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7806 checking for zero or one use.
7807 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7808 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7809 * tree-ssa-reassoc.c (negate_value): Similarly.
7810 (reassociate_bb): Similarly.
7812 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7814 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7815 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7816 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7818 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7820 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7821 fp regs if the last fp arg doesn't fit in regs.
7823 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7826 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7827 that the last insn has the REG_INC note.
7829 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7830 Nathan Sidwell <nathan@codesourcery.com>
7833 * stor-layout.c (update_alignment_for_field): Do not align
7835 (place_union_field): Place union field at the start of the union.
7836 (place_field): Move ERROR_MARK check later, and use the current
7837 allocation position to maintain monotonicity.
7839 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7841 * dominance.c: Include timevar.h.
7842 (calculate_dominance_info): Use TV_DOMINANCE.
7843 * timevar.def (TV_DOMINANCE): New timevar.
7844 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7846 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7848 PR rtl-optimization/14261
7849 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7850 move would be an INSV insn.
7851 (noce_process_if_block): Don't optimize if the destination is a
7852 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7854 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7856 * config/s390/s390.md: Add comments with the instructions emitted
7857 by an insn pattern if macros are used.
7859 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7861 PR rtl-optimization/26026
7862 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7863 is a known power of two shifted left a variable amount.
7865 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7867 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7868 to hash table twice when the debug_str section has SECTION_MERGE.
7870 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7872 * config/soft-fp: New directory. From glibc.
7873 * config/soft-fp/t-softfp: New.
7874 * config/soft-fp/README: New.
7875 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7876 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7877 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7878 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7879 * config.gcc: Use rs6000/t-fprules-fpbit or
7880 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7882 * config/rs6000/sfp-machine.h: New. Based on glibc.
7883 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7885 * config/rs6000/t-fprules: Remove fp-bit rules.
7886 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7887 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7888 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7889 (softfp_wrap_start, softfp_wrap_end): New.
7891 2006-04-18 DJ Delorie <dj@redhat.com>
7893 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7895 2006-04-18 Devang Patel <dpatel@apple.com>
7897 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7899 2006-04-18 Nick Clifton <nickc@redhat.com>
7901 * config/sh/t-symbian: Add rule to build sh-c.o
7902 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7903 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7904 (sh_symbian_encode_section_info): Likewise.
7906 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7908 * builtins.c (expand_builtin_strcmp): Cover label definition of
7909 do_libcall with HAVE_cmpstrnsi.
7911 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7913 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7915 * function.h (temp_slot_p): New.
7916 (function): Change the type of x_used_temp_slots to
7917 VEC(temp_slot_p,gc) *.
7919 2006-04-18 Nick Clifton <nickc@redhat.com>
7921 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7922 flag_strength_reduce.
7924 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7926 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7930 Partial revert of revision 112637
7931 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7932 Dale Johannesen <dalej@apple.com>
7935 * regclass.c (struct reg_pref): Update documentation.
7936 (regclass): Set prefclass to NO_REGS if memory is the best option.
7937 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7939 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7941 PR tree-optimization/26821
7942 * tree-ssa-math-opts.c (get_constant_one): New.
7943 (insert_reciprocals): Use it.
7945 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7947 * dwarf2out.c (free_AT): Delete.
7948 (remove_AT): Update string ref counts.
7949 (remove_child_TAG): Don't call free_die.
7951 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7952 or DW_TAG_GNU_EINCL.
7953 (prune_unused_types_walk_attribs): Reset string refcounts.
7954 (prune_unused_types_update_strings): New.
7955 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7956 call free_die. Do call prune_unused_types_update_strings.
7957 (prune_unused_types): Empty debug_str_hash.
7959 2006-04-17 Roger Sayle <roger@eyesopen.com>
7961 * expr.c (expand_assignment): Optimize away no-op moves where the
7962 source and destination are equal and have no side-effects.
7964 2006-04-17 Richard Guenther <rguenther@suse.de>
7967 * reload.c (push_reload): Guard calls to get_secondary_mem
7970 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7972 * alias.c (reg_base_value, old_reg_base_value): Change the
7973 type to VEC(rtx,gc) *.
7974 (REG_BASE_VALUE, find_base_value, record_set,
7975 init_alias_analysis): Use VEC instead of VARRAY.
7977 * alias.c (alias_sets): Change the type to
7978 VEC(alias_set_entry,gc) *.
7979 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7980 VEC instead of VARRAY.
7981 (last_alias_set): Remove.
7983 * cgraph.h (cgraph_edge_p): New.
7984 Update the prototype of cgraph_function_versioning.
7985 * cgraphunit.c (cgraph_copy_node_for_versioning,
7986 cgraph_function_versioning): Use VEC instead of VARRAY.
7987 * ipa-cp.c (ipcp_insert_stage): Likewise.
7989 2006-04-16 Roger Sayle <roger@eyesopen.com>
7992 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7993 "A op B" or "A op C", we may need to convert A to the type of B and C.
7995 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7997 * target.h (struct gcc_target): Add mode_rep_extended.
7998 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7999 (init_num_sign_bit_copies_in_rep): Initialize it using
8001 (truncate_to_mode): Use it.
8002 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8003 * targhooks.h (default_mode_rep_extended): Declare it.
8004 * targhooks.c (default_mode_rep_extended): Define it.
8005 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8006 default_mode_rep_extended.
8007 (TARGET_INITIALIZER): Include it.
8008 * doc/tm.texi (Misc): Document it.
8009 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8010 (mips_truncated_to_mode): New function.
8012 2006-04-16 Roger Sayle <roger@eyesopen.com>
8015 * expr.c (compress_float_constant): Copy the narrow constant into
8016 a new pseudo before extending it to its final width.
8018 2006-04-16 Roger Sayle <roger@eyesopen.com>
8019 Andrew Pinski <pinskia@gcc.gnu.org>
8020 Dale Johannesen <dalej@apple.com>
8023 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8024 special case code to implement V8HImode and V16QImode with SSE2.
8026 2006-04-15 Roger Sayle <roger@eyesopen.com>
8028 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8029 trees are constructed with a suitable tree type.
8031 2006-04-15 Roger Sayle <roger@eyesopen.com>
8033 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8034 (integer_onep): Likewise.
8035 (integer_all_onesp): Likewise.
8036 (integer_pow2p): Likewise.
8037 (integer_nonzerop): Likewise.
8038 (real_zerop): Likewise.
8039 (real_onep): Likewise.
8040 (real_twop): Likewise.
8041 (real_minus_onep): Likewise.
8042 (int_size_in_bytes): Likewise.
8043 (host_integerp): Likewise.
8045 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8047 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8048 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8049 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8051 * tree-ssa-structalias.h (alias_info): Remove num_references.
8053 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8055 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8056 (output_bvb patterns): Likewise.
8057 * pa.c (output_bb): Use 'bb' insn for long branch case.
8058 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8059 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8060 1. Correct length operand for alternatives 1 and 2.
8061 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8062 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8064 2006-04-14 Roger Sayle <roger@eyesopen.com>
8066 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8067 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8068 were accidentally reverted by r112959.
8070 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8073 * except.h (eh_region_outermost): New prototype.
8074 * except.c (eh_region_outermost): New function.
8075 * tree-cfg.c (find_outermost_region_in_block): Use it.
8077 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8079 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8081 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8082 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8083 (init_reload, reload): Use VEC instead of VARRAY.
8084 * reload.h: Update the prototype for
8085 reg_equiv_memory_loc_varray.
8087 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8088 Eric Botcazou <ebotcazou@libertysurf.fr>
8090 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8093 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8096 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8097 to expand fallback builtin function call.
8099 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8102 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8103 and emit libcall here in case the builtin fails.
8104 (expand_builtin_strcmp): Always emit the libcall here on failure.
8106 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8108 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8109 * flow.c (reg_n_info): Change the type to
8110 VEC(reg_info_p,heap) *.
8111 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8113 * regs.h (reg_info_p): New.
8114 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8115 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8116 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8119 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8121 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8123 * params.h (MAX_SCHED_READY_INSNS): New macro.
8124 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8125 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8126 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8127 the ready list for 1 cycle during the first scheduling pass.
8128 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8130 2006-04-13 Richard Henderson <rth@redhat.com>
8133 * gimple-low.c (lower_omp_directive): Remove dead code.
8134 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8135 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8136 * omp-low.c (struct omp_region): Move to tree-flow.h.
8137 (root_omp_region): Export.
8138 (omp_regions, lookup_omp_region): Remove.
8139 (determine_parallel_type): Update for struct omp_region changes.
8140 (dump_omp_region): Dump regions with block numbers.
8141 (new_omp_region): Take type and block instead of stmt; malloc
8143 (free_omp_region_1, free_omp_regions): New.
8144 (expand_parallel_call): Take entry_stmt as argument; update for
8145 changes to omp_region.
8146 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8147 (remove_exit_barriers): New.
8148 (expand_omp_parallel): Update for struct omp_region changes.
8149 (expand_omp_synch): Likewise.
8150 (expand_omp): Likewise.
8151 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8152 (expand_omp_for_static_chunk): Likewise.
8153 (expand_omp_for): Likewise.
8154 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8155 (expand_omp_sections): Similarly, with GOMP_sections_end.
8156 (expand_omp_single): New.
8157 (build_omp_regions_1): Update for OMP_CONTINUE.
8158 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8159 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8160 OMP_SECTIONS_SECTIONS.
8161 (lower_omp_single_simple): Don't emit barrier here.
8162 (lower_omp_single_copy): Likewise.
8163 (lower_omp_single): Fix bindings, and lower to straightline now.
8164 (lower_omp_master, lower_omp_ordered): Likewise.
8165 (lower_omp_critical): Likewise.
8166 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8167 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8168 omp edges, free it afterward.
8169 (make_omp_sections_edges): Remove.
8170 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8171 (move_stmt_r): Handle OMP_CONTINUE.
8172 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8173 statement pointers to basic blocks. Add type member.
8174 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8175 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8176 * tree-inline.c (estimate_num_insns_1): Likewise.
8177 * tree-pretty-print.c (dump_generic_node): Likewise.
8178 * tree-ssa-operands.c (get_expr_operands): Likewise.
8179 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8180 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8181 (OMP_CONTINUE): New.
8182 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8183 (OMP_SECTIONS_SECTIONS): Remove.
8184 (OMP_SECTION_LAST): New.
8185 (OMP_RETURN_NOWAIT): New.
8187 2006-04-13 Roger Sayle <roger@eyesopen.com>
8189 * fold-const.c (native_encode_vector, native_interpret_real):
8190 Correct obvious mistakes in the previous check-in.
8192 2006-04-13 Roger Sayle <roger@eyesopen.com>
8194 * fold-const.c (native_encode_expr): New function to encode
8195 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8196 or VECTOR_CST into a specified buffer.
8197 (native_encode_int): New function.
8198 (native_encode_real): New function.
8199 (native_encode_complex): New function.
8200 (native_encode_vector): New function.
8201 (native_interpret_expr): Inverse of native_encode_expr to convert
8202 a target representation into an INTEGER_CST, REAL_CST etc...
8203 (native_interpret_int): New function.
8204 (native_interpret_real): New function.
8205 (native_interpret_complex): New function.
8206 (native_interpret_vector): New function.
8207 (fold_view_convert_expr): New function to constant fold/evaluate
8208 a VIEW_CONVERT_EXPR of a suitable constant expression.
8209 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8210 Change call of build1 to fold_build1 when constructing a
8213 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8214 Ulrich Weigand <uweigand@de.ibm.com>
8217 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8220 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8223 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8224 optimize to lo_sum for DFmode if !TARGET_FPRS.
8226 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8228 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8229 delete_alias_info, compute_flow_sensitive_aliasing,
8230 group_aliases): Use VEC instead of VARRAY.
8231 * tree-ssa-structalias.c (update_alias_info): Likewise.
8232 * tree-ssa-structalias.h (alias_info): Change the type of
8233 processed_ptrs to VEC(tree,heap) *.
8235 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8238 * config/sh/lib1funcs.h: New file, broken out of:
8239 * config/sh/lib1funcs.asm.
8240 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8242 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8243 * config/sh/lib1funcs-Os-4-200.asm: New file.
8244 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8245 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8246 (EXTRA_MULTILIB_PARTS): Include it.
8247 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8248 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8249 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8250 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8253 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8255 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8256 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8257 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8259 * tree-ssa-live.h: Include vecprim.h.
8260 (tree_partition_associator_d): Change the type of
8261 first_partition to VEC(int,heap) *.
8262 (tpa_first_partition): Use VEC instead of VARRAY.
8264 * Makefile.in (GTFILES): Move functions.h after tree.h.
8265 * function.c (reset_block_changes, record_block_change,
8266 check_block_change, free_block_changes): Use VEC instead of
8268 * function.h (function): Change the type of
8269 ib_boundaries_block to VEC(tree,gc) *.
8270 * tree-inline.c (copy_cfg_body): Initialize
8271 ib_boundaries_block to NULL instead of (varray_type) 0.
8273 2006-04-12 Roger Sayle <roger@eyesopen.com>
8275 * expr.c (emit_group_store): Correct operand order in call to
8276 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8277 a SUBREG_BYTE of zero.
8279 2006-04-12 Richard Guenther <rguenther@suse.de>
8281 * profile.c (compute_branch_probabilities): Remove code
8282 encapsulated in !ir_type (), which are remanents of the
8283 removed RTL profiling code.
8284 * rtl-profile.c: Remove.
8286 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8288 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8289 magic NULL_RTX comment.
8290 (function_arg): Store entire fp arg to mem if any part should go
8292 (rs6000_arg_partial_bytes): Adjust for above change.
8294 2006-04-11 Roger Sayle <roger@eyesopen.com>
8296 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8297 if it hasn't been initialized by dwarf2out_init.
8299 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8301 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8302 symbolic constants in branch patterns.
8304 2006-04-11 Roger Sayle <roger@eyesopen.com>
8306 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8308 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8310 PR rtl-optimization/27073
8311 * gcse.c (try_replace_reg): Revert last change. Continue to search
8312 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8315 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8317 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8318 aggregate types other than record and union types.
8319 (function_arg): Likewise.
8320 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8322 (function_value): In 64-bit mode, return objects that require it
8325 2006-04-11 Roger Sayle <roger@eyesopen.com>
8327 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8329 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8331 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8333 2006-04-03 Jeff Law <law@redhat.com>
8336 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8337 alias information too.
8339 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8341 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8343 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8346 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8347 (premark_used_types_helper): New.
8348 (premark_used_types): New.
8349 (gen_subprogram_die): Call premark_used_types.
8350 (prune_unused_types_walk): Do not prune perennial dies.
8351 * function.c (used_types_insert): New.
8352 * function.h (struct function): Add used_types_hash field.
8353 (used_types_insert): Add prototype.
8354 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8355 * c-parser.c (c_parser_cast_expression): Save casted types in used
8358 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8361 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8362 rs6000_explicit_options.float_gprs.
8364 2006-04-10 Roger Sayle <roger@eyesopen.com>
8366 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8367 from ix86_expand_vector_init_low_nonzero. Take an additional
8368 one_var argument indicating which element is non-zero. Support
8369 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8370 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8371 with one_var instead of ix86_expand_vector_init_low_nonzero.
8373 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8375 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8376 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8377 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8378 build/genextract.o): Depend on vecprim.h.
8379 * cfglayout.c, df-problems.c, function.c, genextract.c,
8380 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8381 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8385 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8387 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8388 Declare VECs of this type.
8389 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8390 (remove_children): Delete.
8391 (add_dwarf_attr): Use VEC routines.
8392 (add_AT_flag): Update for changes to add_dwarf_attr.
8393 (add_AT_int): Likewise.
8394 (add_AT_unsigned): Likewise.
8395 (add_AT_long_long): Likewise.
8396 (add_AT_vec): Likewise.
8397 (add_AT_string): Likewise.
8398 (add_AT_die_ref): Likewise.
8399 (add_AT_fde_ref): Likewise.
8400 (add_AT_loc): Likewise.
8401 (add_AT_loc_list): Likewise.
8402 (add_AT_addr): Likewise.
8403 (add_AT_lbl_id): Likewise.
8404 (add_AT_lineptr): Likewise.
8405 (add_AT_macptr): Likewise.
8406 (add_AT_offset): Likewise.
8407 (add_AT_range_list): Likewise.
8408 (get_AT): Use VEC_iterate.
8409 (remove_AT): Use VEC_ordered_remove.
8410 (free_die): Fold remove_children into here; have it use VEC_iterate.
8411 (print_die): Use VEC_iterate on attrs.
8412 (reverse_die_lists): Don't reverse attr lists.
8413 (die_checksum): Use VEC_iterate on attrs.
8414 (same_die_p): Likewise.
8415 (output_location_lists): Likewise.
8416 (build_abbrev_table): Likewise.
8417 (size_of_die): Likewise.
8418 (unmark_all_dies): Likewise.
8419 (output_abbrev_section): Likewise.
8420 (output_die): Likewise.
8421 (prune_unused_types_walk_attribs): Likewise.
8423 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8425 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8427 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8430 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8432 2006-04-09 Roger Sayle <roger@eyesopen.com>
8434 * expr.c (store_constructor): Don't bother clearing target if
8435 we're about to assign a vector to it using vec_init_optab.
8437 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8439 * tree-ssa-alias.c (lhs_may_store_to): New function.
8440 (recalculate_used_alone): Handle LHS of calls.
8442 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8446 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8447 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8448 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8449 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8450 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8451 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8452 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8453 stubs. Add ".align 8" directives before all ".dword" directives.
8454 (GTHREAD_USE_WEAK): Revise comment.
8455 (TARGET_ATTRIBUTE_WEAK): Define.
8456 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8457 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8458 * stublib.c: New file.
8463 * pa.md (cbranch patterns): Revise arguments used in calls to
8464 output_cbranch, output_bb and output_bvd. Add long branch length
8466 (fbranch patterns): Handle long branches.
8467 (jump): Revise length check. Revise arguments for output_lbranch call.
8468 Add long branch length attributes.
8469 (decrement_and_branch_until_zero): Add long branch length attributes.
8470 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8471 Likewise. Revise arguments for output_parallel_addb and
8472 output_parallel_movb calls.
8473 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8474 output_parallel_movb and output_parallel_addb): Update prototypes.
8475 * pa.c (output_cbranch): Revise arguments. Correct handling of
8476 nullification in long branches.
8477 (output_lbranch): Add new argument to control extraction of delay
8479 (output_bb): Handle long branches.
8480 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8481 output_parallel_addb): Likewise.
8483 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8485 PR rtl-optimization/27073
8486 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8489 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8491 * tree.h (tree_memory_tag): Add old_used_alone.
8492 (SMT_OLD_USED_ALONE): New macro.
8493 * tree-ssa-alias.c (recalculate_used_alone): Stop
8494 marking things for renaming unnecessarily.
8496 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8498 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8499 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8500 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8501 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8502 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8503 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8504 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8505 spelling convensions.
8506 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8507 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8508 typos. Follow spelling conventions.
8510 2006-04-07 DJ Delorie <dj@redhat.com>
8512 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8513 passed on the stack.
8514 (m32c_init_cumulative_args): When a function returns a structure,
8515 always pass the pointer to that return area on the stack.
8516 (m32c_function_arg_advance): Don't increment the parameter number
8517 if we're processing the returned structure pointer.
8518 (pushm_info): Reverse order of registers.
8520 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8522 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8523 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8524 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8525 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8527 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8528 chrec_fold_multiply): Same.
8529 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8530 force_expr_to_var_cost): Same.
8531 * tree-mudflap.c (mf_xform_derefs_1): Same.
8532 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8534 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8536 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8537 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8540 2006-04-07 Jan Hubicka <jh@suse.cz>
8542 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8544 2006-04-07 Richard Guenther <rguenther@suse.de>
8546 PR tree-optimization/26135
8547 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8548 loads for store copy-prop.
8549 (copy_prop_visit_stmt): Likewise.
8551 2006-04-05 Robert Millan <robertmh@gnu.org>
8553 * config/i386/linux.h: Add a comment to mark macros that are
8554 being overriden in config/k*bsd-gnu.h.
8555 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8557 * config/knetbsd-gnu.h: Ditto.
8559 2006-04-06 Jan Hubicka <jh@suse.cz>
8563 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8566 2006-04-06 Mike Stump <mrs@apple.com>
8568 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8569 for HAVE_nonlocal_goto to be consistent.
8570 (expand_builtin_nonlocal_goto): Likewise.
8571 (expand_builtin_strcmp): Use #ifdef instead of #if
8572 for HAVE_cmpstrnsi to be consistent.
8574 2006-04-05 DJ Delorie <dj@redhat.com>
8576 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8579 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8581 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8582 got-relative addressing for anything but SImode.
8584 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8585 even if the calling function doesn't modify them.
8587 2006-04-05 Richard Guenther <rguenther@suse.de>
8589 PR tree-optimization/26919
8590 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8591 to cgraph_estimate_size_after_inlining.
8593 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8595 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8597 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8599 PR tree-optimization/26996
8600 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8601 VECTOR_TYPE variables.
8603 2006-04-05 Richard Guenther <rguenther@suse.de>
8605 PR tree-optimization/26763
8606 * fold-const.c (fold_comparison): Move folding of
8607 PTR + CST CMP PTR + CST ...
8608 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8610 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8612 * doc/install.texi (Prerequisites): Refine some wording on
8613 bootstrapping and ksh.
8614 Move the version numbers of DejaGnu here from the testing section
8615 and fix casing of names.
8616 Fix markup and clarify wording for autogen requirements.
8617 Refer to GCJ instead of just java.
8618 Refer to SVN instead of CVS.
8619 Describe diffutils as useful instead of necessary.
8620 (Downloading the source): Refer to SVN instead of CVS.
8621 Adjust a link to our web site accordingly.
8622 (Configuration): Fix casing of Bison.
8623 (Building): Refer to SVN instead of CVS.
8624 Fix a sentence on the use of Bison and remove duplicate (and
8625 incorrect) version number of Bison requirement.
8626 Remove one redundant list of packages needed for building.
8627 (Specific): Avoid reference to CVS.
8629 2006-04-04 Eric Christopher <echristo@apple.com>
8631 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8632 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8633 (rs6000_handle_struct_attribute): New.
8634 (rs6000_ms_bitfield_layout_p): Ditto.
8636 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8638 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8639 NULL for dso parameter to atexit_common.
8641 2006-04-04 Eric Christopher <echristo@apple.com>
8643 * config/i386/i386.c (machopic_output_stub): Output \t
8644 between instructions and operands.
8646 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8648 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8649 satisfies_constraint_[IL] to explicit tests on value.
8651 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8653 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8654 set_nb_iterations_in_loop): Use build_int_cst instead of
8656 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8657 build_int_cst instead of convert.
8659 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8661 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8662 new value 2 for incoming.
8663 * function.c (expand_function_start): Call struct_value_rtx
8665 * config/sparc/sparc.md: Comment updated_return.
8666 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8667 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8668 struct return if sparc_std_struct_return and incoming is 2.
8669 (print_operand): Do not adjust return if
8670 sparc_std_struct_return.
8672 2006-04-04 Roger Sayle <roger@eyesopen.com>
8674 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8675 convert in the middle-end.
8676 * expr.c (store_expr, store_constructor, get_inner_reference,
8677 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8679 * tree.c (build_range_type): Likewise.
8681 2006-04-04 Tom Tromey <tromey@redhat.com>
8683 * doc/install.texi (Prerequisites): Mention jar.
8685 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8687 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8690 2006-04-04 Matthias Klose <doko@debian.org>
8692 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8696 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8699 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8701 * doc/extend.texi (Function Attributes): Rewrite visibility
8702 attribute documentation.
8703 * doc/invoke.texi (C++ Dialect Options): Rewrite
8704 -fvisibility-inlines-hidden documentation to describe something
8705 entirely different, although in practise compatible.
8706 (Code Gen Options): Warn about system headers in -fvisibility=
8709 * doc/extend.texi (Other Builtins): Document that
8710 __builtin_nan is a compile-time constant only when its argument
8713 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8715 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8716 trying to remove TRUNCATE check if all bits outside the new mode
8717 are identical to the sign bit.
8719 2006-04-03 Jeff Law <law@redhat.com>
8721 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8722 and operand scanning in some common cases.
8724 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8725 Dale Johannesen <dalej@apple.com>
8728 * regclass.c (struct reg_pref): Update documentation.
8729 (regclass): Set prefclass to NO_REGS if memory is the best option.
8730 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8731 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8732 into account. For non-registers, equate an empty preferred
8733 reload class to a `!' in the constraint; move the if clause to
8734 do so after those that reject the insn.
8735 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8737 (find_dummy_reload): Likewise.
8738 * doc/tm.texi (Register Classes): Document what it means
8739 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8740 * config/i386/i386.c (ix86_preferred_reload_class): Force
8741 using SSE registers (and return NO_REGS for floating-point
8742 constants) if math is done with SSE.
8743 (ix86_preferred_output_reload_class): New.
8744 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8745 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8746 * config/i386/i386.md: Remove # register preferences.
8748 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8751 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8752 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8753 the type of nb_iter.
8754 (instantiate_parameters_1): Convert the operands before calling
8755 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8756 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8758 2006-04-02 Roger Sayle <roger@eyesopen.com>
8760 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8761 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8763 * dojump.c (do_jump): Likewise.
8764 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8765 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8766 gimplify_boolean_expr): Likewise.
8767 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8768 * varasm.c (array_size_for_constructor): Likewise.
8769 * tree-object-size.c (compute_object_offset): Likewise.
8771 2006-04-02 Roger Sayle <roger@eyesopen.com>
8774 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8775 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8777 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8779 PR tree-optimization/26939
8780 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8782 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8784 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8785 at_stmt. Convert the type of operands before calling
8786 build_polynomial_chrec.
8787 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8789 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8790 (instantiate_parameters_1): Convert the type of operands before calling
8791 build_polynomial_chrec.
8792 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8793 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8794 reset_evolution_in_loop): Insert asserts to check the types of the
8796 (chrec_type): Moved...
8797 (eq_evolutions_p): Use operand_equal_p.
8798 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8799 the types of the operands.
8800 (chrec_type): ...here.
8801 * tree-data-ref.c (create_data_ref): Convert the operands before
8802 calling chrec_replace_initial_condition.
8803 (same_access_functions, analyze_subscript_affine_affine,
8804 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8805 (compute_subscript_distance, analyze_ziv_subscript,
8806 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8807 analyze_miv_subscript): Convert the operands before calling
8808 chrec_fold_minus or chrec_fold_plus.
8810 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8812 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8813 the dependence_relations vector.
8814 (compute_data_dependences_for_loop): Adjust call to
8815 compute_all_dependences.
8817 2006-04-01 Roger Sayle <roger@eyesopen.com>
8818 Richard Henderson <rth@redhat.com>
8820 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8821 gimple_boolify on the condition before calling gimplify_expr.
8823 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8825 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8826 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8827 the frame size. Update to use the new macros.
8828 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8829 * config/xtensa/ieee754-df.S: Likewise.
8831 2006-03-31 Richard Henderson <rth@redhat.com>
8833 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8834 (make_edges): ... here. Control fallthru creation with a local
8835 variable. Do not play with fake edges.
8836 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8837 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8840 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8842 * dwarf2.h (DW64_CIE_ID): Define.
8843 * dwarf2out.c (DWARF_CIE_ID): Define.
8844 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8845 length header. Use DWARF_CIE_ID.
8846 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8847 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8849 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8851 * config/sh/linux-atomic.asm: New file.
8852 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8854 2006-03-31 DJ Delorie <dj@redhat.com>
8856 * config/m32c/cond.md: Set condition flags properly throughout.
8857 * config/m32c/minmax.md: Likewise.
8858 * config/m32c/prologue.md: Likewise.
8859 * config/m32c/bitops.md: Likewise.
8860 * config/m32c/muldiv.md: Likewise.
8861 * config/m32c/mov.md: Likewise.
8862 * config/m32c/addsub.md: Likewise.
8863 * config/m32c/m32c.md: Likewise.
8864 * config/m32c/jump.md: Likewise.
8865 * config/m32c/shift.md: Likewise.
8867 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8868 conditionally output the pattern for this.
8869 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8870 (m32c_compare_redundant): New.
8871 (m32c_output_compare): New.
8872 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8874 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8875 dest, not src. Allow other 4-byte modes.
8877 2006-03-30 Denis Chertykov <denisc@overta.ru>
8879 * doc/md.texi: Refer to avr/constraints.md instead of
8882 2006-03-30 Roger Sayle <roger@eyesopen.com>
8884 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8885 signed vs. unsigned comparison failures on some hosts.
8887 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8890 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8891 change to FLOAT_REGS.
8893 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8894 (rs6000_override_options): Use it.
8895 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8896 only for -mabi=spe/no-spe and -mabi=altivec.
8898 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8900 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8903 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8905 * Makefile.in: Rename docdir to gcc_docdir.
8907 2006-03-30 Roger Sayle <roger@eyesopen.com>
8910 * expr.c (emit_group_store): Optimize group stores into a pseudo
8911 register by using a paradoxical subreg to initialize the destination
8912 if the first or last member of the group specifies a "low part".
8914 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8917 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8918 * target.h (struct gcc_target.speculate_insn): Change type of the
8919 second parameter to 'int'.
8920 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8921 the second operand of the DEPS_LIST.
8922 (copy_DEPS_LIST_list): Update reference to the second operand of the
8924 * rtl.h (alloc_DEPS_LIST): Update signature.
8925 * sched-int.h (ds_t): Change typedef to 'int'.
8926 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8928 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8930 * haifa-sched.c (try_ready): Change condition to restore
8931 non-speculative pattern of the instruction.
8932 (process_insn_depend_be_in_spec): Code to keep probability of the
8933 speculative dependence non-decreasing.
8935 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8937 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8938 (single_move_for_movmem): ... this. Also change all uses.
8939 (bfin_expand_strmov): Renamed to...
8940 (bfin_expand_movmem): ... this. Also change all uses.
8941 * config/bfin/bfin.md (movstrsi): Renamed to...
8942 (movstrsi): ...this.
8944 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8946 PR tree-optimization/26830
8948 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8949 (copy_prop_visit_stmt): Remove write-only variable ann.
8950 (init_copy_prop): Check variable loop depth here. Do not simulate
8951 memory-tag and virtual operand PHIs except for store copy prop.
8953 2006-03-30 Richard Guenther <rguenther@suse.de>
8955 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8956 variants with double arguments.
8958 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8960 * genpreds.c (write_tm_constrs_h): Delete variable p.
8961 * genconditions.c (write_header): Add tm-constrs.h to included
8963 * genpeep.c (main): Add toplev.h to included headers.
8964 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8965 (build/genpeep.o): Add toplev.h dependency.
8966 * config/rs6000/constraints.md: Add "W" constraint.
8968 2006-03-29 Roger Sayle <roger@eyesopen.com>
8970 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8971 sizes by correctly testing whether the size fits a host integer.
8972 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8973 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8974 SImode range for the default sizetype and bitsizetype.
8976 2006-03-29 Roger Sayle <roger@eyesopen.com>
8978 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8979 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8980 quickly if the argument is already of the correct type.
8981 Call fold_build1 instead of build1. Tidy up blank lines.
8983 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8985 * genemit.c (main): Add tm-constrs.h to included headers.
8986 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8987 * genpeep.c (main): Add tm-constrs.h to included headers.
8988 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8989 (write_tm_constrs_h): this and write complete file.
8990 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8991 (write_insn_preds_c): Add tm-constrs.h to included headers.
8992 (gen_constrs): New variable.
8993 (parse_option): Parse "-c".
8994 (main): Invoke write_tm_constrs_h.
8995 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8996 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8997 (object_out_file): Add tm-constrs.h dependency.
8998 (insn-emit.o): Same.
8999 (insn-output.o): Same.
9000 (insn-peep.o): Same.
9001 (insn-preds.o): Same.
9002 (insn-recog.o): Same.
9003 (tm-constsr.h): New target.
9004 (s-constrs-h): New target.
9006 * config/rs6000/constraints.md: New file.
9007 * config/rs6000/rs6000.c: Include tm-constrs.h.
9008 (num_insn_constant_wide): Convert to satisfies_constraint.
9009 (rs6000_rtx_costs): Convert to satisfies_constraint.
9010 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9011 (CONST_OK_FOR_LETTER_P): Delete.
9012 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9013 (EXTRA_CONSTRAINT): Delete.
9014 (EXTRA_MEMORY_CONSTRAINT): Delete.
9015 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9016 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9017 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9018 satisfies_constraint.
9020 * config/i386/i386.c: Include tm-constrs.h.
9022 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9024 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9025 * tree-data-ref.c (find_data_references_in_loop,
9026 compute_data_dependences_for_loop): Use pointers to VEC.
9027 (analyze_all_data_dependences): Adjust calls.
9028 * tree-data-ref.h (find_data_references_in_loop,
9029 compute_data_dependences_for_loop): Adjust declarations.
9030 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9031 compute_data_dependences_for_loop.
9033 2006-03-29 Paul Brook <paul@codesourcery.com>
9035 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9038 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9040 PR tree-optimization/26859
9041 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9043 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9044 for the step after fold_convert.
9046 2006-03-29 Paul Brook <paul@codesourcery.com>
9048 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9049 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9051 2006-03-29 Paul Brook <paul@codesourcery.com>
9054 * targhooks.c (default_narrow_bitfield): New fuction.
9055 * targhooks.h (default_narrow_bitfield): add prototype.
9056 * target.h (gcc_target): Add narrow_volatile_bitfield.
9057 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9058 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9059 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9060 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9062 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9064 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9066 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9067 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9068 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9069 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9070 (s390_function_arg_float): Allow SDmode and DDmode values to be
9071 passed in floating point registers.
9072 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9073 check with SCALAR_FLOAT_MODE_P.
9074 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9076 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9078 PR tree-optimization/25985
9079 * tree-ssa-loop-niter.c (number_of_iterations_le,
9080 number_of_iterations_ne): Make comments more precise.
9081 (number_of_iterations_cond): Add only_exit argument. Use the
9082 fact that signed variables do not overflow only when only_exit
9084 (loop_only_exit_p): New.
9085 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9086 number_of_iterations_cond.
9088 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9090 PR tree-optimization/26643
9091 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9094 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9096 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9097 (divsi3_i4_int): Likewise.
9099 2006-03-28 Roger Sayle <roger@eyesopen.com>
9101 * expr.c (emit_group_store): Only create a new pseudo reg if the
9102 quantity it needs to hold isn't already a suitable pseudo.
9104 2006-03-28 Jeff Law <law@redhat.com>
9106 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9107 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9109 2006-03-28 Roger Sayle <roger@eyesopen.com>
9111 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9112 the equivalent ~X & Y, and the symmetry related transformations.
9113 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9114 ~X & Y, and symmetry related transforms.
9116 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9118 Revert my 2006-03-27 patches.
9120 2006-03-28 Roger Sayle <roger@eyesopen.com>
9122 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9123 ~(T1)X, when T1 and T2 are integer types of the same precision
9124 and (T2)X isn't an extension.
9126 2006-03-28 Jeff Law <law@redhat.com>
9128 PR tree-optimization/26796
9129 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9130 need EH edge cleanups rather than purging them immediately.
9131 (eliminate_degenerate_phis): Handle queued EH cleanups.
9133 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9135 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9138 2006-03-27 Roger Sayle <roger@eyesopen.com>
9141 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9142 cast BIT_NOT_EXPR operand to the correct type.
9144 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9146 * tree-loop-linear.c: Don't include varray.h.
9147 (gather_interchange_stats, try_interchange_loops,
9148 linear_transform_loops): Use VEC instead of VARRAY.
9149 * lambda-mat.c: Don't include varray.h.
9150 * tree-chrec.c: Same.
9151 * lambda-trans.c: Same.
9152 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9153 VEC instead of VARRAY.
9154 * tree-vectorizer.h: Idem.
9155 * tree-data-ref.c (dump_data_references,
9156 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9157 initialize_data_dependence_relation, finalize_ddr_dependent,
9158 compute_all_dependences, find_data_references_in_loop,
9159 compute_data_dependences_for_loop, analyze_all_data_dependences,
9160 free_dependence_relation, free_dependence_relations,
9161 free_data_refs): Idem.
9162 * tree-data-ref.h (data_reference_p, subscript_p): New.
9163 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9164 VEC instead of VARRAY.
9165 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9166 (find_data_references_in_loop, compute_data_dependences_for_loop,
9167 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9168 dump_data_dependence_relations, free_dependence_relations,
9169 free_data_refs): Adjust declaration.
9170 (lambda_transform_legal_p): Move declaration here...
9171 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9172 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9173 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9174 vect_analyze_data_refs): Use VEC instead of VARRAY.
9175 * lambda.h (lambda_transform_legal_p): ...from here.
9176 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9177 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9178 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9179 tree-chrec.o): Don't depend on VARRAY_H.
9181 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9183 * rtl.def (Copyright): Update date.
9184 (DEPS_LIST): Change type of the second operand to 'int'.
9185 * target.h (Copyright): Update date.
9186 (struct gcc_target.speculate_insn): Change type of the second parameter
9188 * lists.c (Copyright): Update date.
9189 (alloc_DEPS_LIST): Change signature. Update reference to the second
9190 operand of the DEPS_LIST.
9191 (copy_DEPS_LIST_list): Update reference to the second operand of the
9193 * rtl.h (Copyright): Update date.
9194 (alloc_DEPS_LIST): Update signature.
9195 * sched-int.h (Copyright): Update date.
9196 (ds_t): Change typedef to 'int'.
9197 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9199 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9201 * haifa-sched.c (Copyright): Update date.
9202 (try_ready): Change condition to restore non-speculative pattern
9204 (process_insn_depend_be_in_spec): Code to keep probability of the
9205 speculative dependence non-decreasing.
9207 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9209 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9210 shut up the compiler.
9212 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9214 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9215 to use lib prefix for target.
9216 ($(T)libic_invalidate_array_4-200.a): Likewise.
9217 ($(T)libic_invalidate_array_4a.a): Likewise.
9219 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9220 J"orn Rennecke <joern.rennecke@st.com>
9222 * superh.opt: New file.
9223 * sh.c (boardtype, osruntime): Remove.
9224 * superh.h (SUBTARGET_OPTIONS): Remove.
9225 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9227 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9228 arguments with ^ and/or [].
9230 * config.gcc (sh-*-*): Add quoting to account for quirk of
9232 Replace == with = in enable_incomplete_targets test.
9234 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9235 with MASK_LITTLE_ENDIAN.
9237 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9238 * config/sh/sh.opt: Added to some comments.
9239 * config/sh/superh.h: Removed some chaff.
9241 * config/sh/sh.opt: Add m4-[1234]00* options.
9242 * config/sh/sh.c (sh_handle_option): Likewise.
9243 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9244 (ic_invalidate_array_4-100.o): New rule.
9245 ($(T)libic_invalidate_array_4-100.a): Likewise.
9246 (ic_invalidate_array_4-200.o): Likewise.
9247 ($(T)libic_invalidate_array_4-200.a): Likewise.
9248 (ic_invalidate_array_4a.o): Likewise.
9249 ($(T)libic_invalidate_array_4a.a): Likewise.
9250 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9251 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9253 * config/sh/crt1.asm: Merged in profiling code.
9254 * config/sh/superh.h (STARTFILE_SPEC): Override.
9255 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9256 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9257 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9259 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9260 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9261 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9263 * sh.opt (mpretend-cmove): New option.
9264 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9265 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9266 (movsicc): Add TARGET_PRETEND_CMOVE code.
9268 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9270 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9271 s390_class_max_nregs): New function prototypes.
9272 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9273 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9274 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9275 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9277 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9279 * dwarf2out.c (add_location_or_const_value_attribute): Call
9280 tree_add_const_value_attribute if nothing else works.
9281 (reference_to_unused): New.
9282 (rtl_for_decl_init): Use reference_to_unused to decide whether
9283 to output an initializer.
9285 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9288 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9289 peephole removing spe frob_di_df_2.
9291 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9293 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9294 (subscript_dependence_tester_1): Declared.
9295 (print_dir_vectors, print_dist_vectors): New.
9296 (debug_data_dependence_relation): New.
9297 (dump_data_dependence_relation): Print more details.
9298 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9299 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9300 (save_dist_v, save_dir_v, add_outer_distances,
9301 build_classic_dist_vector_1): New.
9302 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9303 Don't test for lambda_vector_lexico_pos.
9304 (same_access_functions, add_multivariate_self_dist,
9305 add_other_self_distances, dir_from_dist): New.
9306 (build_classic_dir_vector): Replace implementation almost identical to
9307 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9309 (subscript_dependence_tester_1): New.
9310 (subscript_dependence_tester): Handle the lexicographically negative
9311 distance vectors by recomputing the dependence relation.
9312 (compute_affine_dependence): Remove parameter loop_nest_depth.
9313 (compute_self_dependence): Don't call compute_subscript_distance.
9314 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9315 Add a parameter for the loop_nest.
9316 (find_loop_nest_1, find_loop_nest): New.
9317 (compute_data_dependences_for_loop): Compute the loop nest, and give
9318 up if the nest is not well formed.
9319 * tree-data-ref.h (loop_p): New.
9320 (struct data_dependence_relation): Replace size_vect field with
9321 loop_nest, a vec of loops.
9322 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9323 (DDR_LOOP_NEST): New.
9324 (print_dir_vectors, print_dist_vectors,
9325 debug_data_dependence_relation): Declared.
9326 (index_in_loop_nest): New.
9327 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9328 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9331 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9333 * simplify-rtx.c (simplify_relational_operation): Call
9334 simplify_relational_operation_1 even if mode is VOIDmode.
9336 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9338 PR tree-optimization/26804
9339 * tree.h (DECL_CALL_CLOBBERED): New macro.
9340 (tree_decl_common): Add call_clobbered_flag.
9341 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9342 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9343 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9344 (mark_non_addressable): Ditto.
9345 * tree-ssa.c (verify_call_clobbered): New function.
9346 (verify_alias_info): Use it.
9347 * tree-pass.h (pass_reset_cc_flags): New prototype.
9348 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9349 (reset_cc_flags): New function.
9350 * passes.c (init_optimization_passes): Call reset_cc_flags after
9351 initializing referenced_vars.
9353 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9354 Roger Sayle <roger@eyesopen.com>
9357 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9358 to 1.0 for non-real operands. Implement A / A optimization for
9361 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9363 * config/i386/i386.c (size_cost): Correct the comment for
9364 cost of storing fp registers.
9365 (i386_cost): Likewise.
9366 (i486_cost): Likewise.
9367 (pentium_cost): Likewise.
9368 (pentiumpro_cost): Likewise.
9369 (k6_cost): Likewise.
9370 (athlon_cost): Likewise.
9371 (k8_cost): Likewise.
9372 (pentium4_cost): Likewise.
9373 (nocona_cost): Likewise.
9374 (generic64_cost): Likewise.
9375 (generic32_cost): Likewise.
9377 2006-03-24 Denis Chertykov <denisc@overta.ru>
9379 * config/avr/avr-protos.h (extra_constraint): Delete.
9380 (extra_constraint_Q): New declaration.
9381 * config/avr/constraints.md: New file.
9382 * config/avr/avr.md: Include it.
9383 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9384 (TMP_REGNO, ZERO_REGNO): Likewise.
9385 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9386 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9387 (extra_constraint): Delete.
9388 (extra_constraint_Q): Test for memory constraint 'Q'.
9389 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9390 (REG_CLASS_FROM_LETTER): Delete.
9391 (CONST_OK_FOR_LETTER_P): Delete.
9392 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9393 (EXTRA_CONSTRAINT): Delete.
9394 (TMP_REGNO): Delete.
9395 (ZERO_REGNO): Delete.
9397 2006-03-24 Jeff Law <law@redhat.com>
9399 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9400 directly. Call mark_new_vars_to_rename slightly earlier.
9402 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9404 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9406 (gen_compile_unit_die): Use new language types for Objective-C and
9408 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9409 DW_LANG_C_plus_plus.
9412 * config/t-darwin (crt3.o): Work around bug 26840.
9413 * config/darwin-crt3.c: Rewrite.
9414 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9416 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9418 * doc/invoke.texi: Document -femit-class-debug-always
9419 * common.opt: Add -femit-class-debug-always.
9421 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9423 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9424 index and base register.
9425 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9426 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9427 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9428 REGNO_OK_FOR_INDEX_P.
9429 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9431 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9432 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9433 REG_OK_FOR_BASE_P): Definitions removed.
9435 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9438 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9439 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9440 set yet or weren't marked as local yet.
9442 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9444 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9447 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9449 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9450 (rs6000_legitimate_small_data_p): Delete.
9451 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9452 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9453 and make static. Add forward declaration. Update uses.
9454 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9455 of offsettable_memref_p.
9456 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9457 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9459 2006-03-24 Jeff Law <law@redhat.com>
9461 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9462 around bug in immediate-use iterator.
9464 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9467 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9468 or __LITTLE_ENDIAN__.
9470 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9472 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9473 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9474 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9475 * config/sh/sh.opt (mdiv=): Amend description.
9476 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9477 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9478 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9479 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9480 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9481 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9482 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9483 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9484 TARGET_DIVIDE_CALL_FP.
9486 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9488 * haifa-sched.c (choose_ready): Fix type of the local variable.
9489 Move local variables. Add comment.
9490 (check_reg_live): Change signature. Make callable from debugger.
9491 * sched-int.h (check_reg_live): Update signature.
9492 * sched-ebb.c (check_reg_live): Update parameters.
9493 * sched-rgn.c (check_reg_live): Ditto.
9494 (region_head_or_leaf_p): Check pointer before dereferencing.
9495 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9496 before reload on optimization levels below 1.
9498 2006-03-23 Richard Henderson <rth@redhat.com>
9500 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9504 * config/alpha/predicates.md (local_symbolic_operand): Reject
9507 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9510 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9511 expressions which have overflowed constants.
9513 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9515 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9517 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9519 * cfgloopmanip.c (create_loop_notes): Removed.
9520 * final.c (final_scan_insn): Do not handle loop notes.
9521 * jump.c (squeeze_notes): Ditto.
9522 * cfglayout.c (skip_insns_after_block,
9523 duplicate_insn_chain): Ditto.
9524 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9526 * cfgloop.h (create_loop_notes): Declaration removed.
9528 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9530 * varasm.c (output_constant_pool): Restore fnname and fndecl
9532 (assemble_start_function): Adjust call accordingly.
9533 (assemble_end_function): Likewise.
9535 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9538 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9541 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9543 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9546 * system.h (ICE_EXIT_CODE): New macro.
9547 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9548 (diagnostic_action_after_output): Likewise.
9549 * gcc.c (fatal_ice): New function.
9550 (execute): Use it instead of fatal.
9551 (fancy_abort): Likewise.
9552 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9554 2006-03-22 Jeff Law <law@redhat.com>
9556 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9557 iv_analyze_result returning false.
9559 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9561 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9563 2006-03-22 Richard Henderson <rth@redhat.com>
9566 * except.c (duplicate_eh_regions_0): New.
9567 (duplicate_eh_region_1): Duplicate the children of the node as
9568 well as the node itself. Link them up properly.
9569 (duplicate_eh_region_2): Merge into ...
9570 (duplicate_eh_regions): ... here. Take copy_region argument, and
9571 copy only a sub-tree if asked. Simplify copying and fixup.
9572 (eh_region_outer_p): New.
9573 * except.h (duplicate_eh_regions): Update decl.
9574 (eh_region_outer_p): Declare.
9575 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9576 (lower_omp_master): Likewise.
9577 (lower_omp_ordered): Likewise.
9578 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9579 (move_stmt_r): Use it to remap labels. Handle recursion vs
9580 remap_decls_p properly.
9581 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9582 (find_outermost_region_in_block): New.
9583 (new_label_mapper): New.
9584 (move_sese_region_to_fn): Copy eh information to the new function
9586 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9588 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9591 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9593 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9594 into shared libraries.
9596 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9598 * doc/md.texi: Refer to i386/constraints.md instead of
9600 * config/i386/constraints.md: New file, extracted from...
9601 * config/i386/predicates.md: ...here.
9602 * config/i386/i386.md: Include constraints.md.
9604 2006-03-21 Jason Merrill <jason@redhat.com>
9606 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9609 * expr.c (init_block_move_fn): Force default visibility.
9610 (init_block_clear_fn): Likewise.
9611 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9612 * targhooks.c (default_external_stack_protect_fail): Likewise.
9614 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9616 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9617 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9618 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9619 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9620 (loadgp): Use mips_current_loadgp_style.
9621 (loadgp_noshared): New pattern.
9622 (sibcall_internal): Use MIPS_CALL.
9623 (sibcall_value_internal): Likewise.
9624 (sibcall_value_multiple_internal): Likewise.
9625 (call_internal): Likewise.
9626 (call_value_internal): Likewise.
9627 (call_value_multiple_internal): Likewise.
9628 (call_split): Use MIPS_CALL and add an 'S' constraint.
9629 (call_value_split): Likewise.
9630 (call_value_multiple_split): Likewise.
9631 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9632 (-mshared): New option.
9633 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9634 (mips_current_loadgp_style): Declare.
9635 * config/mips/mips.c (mips_classify_symbol): Avoid using
9636 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9637 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9638 TARGET_ABSOLUTE_ABICALLS.
9639 (override_options): Adjust comments. Improve the warning that is
9640 issued when -mabicalls and -G are used together.
9641 (mips_file_start): Remove comment.
9642 (mips_current_loadgp_style): New function.
9643 (mips_gnu_local_gp): New variable.
9644 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9646 (mips_output_function_prologue): Use mips_current_laodgp_style.
9647 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9648 the cprestore instruction.
9649 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9650 live for TARGET_ABSOLUTE_ABICALLS.
9651 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9652 (ASM_SPEC): Pass down -mshared and -mno-shared.
9653 (MIPS_CALL): New macro.
9654 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9656 * doc/invoke.texi (-mabicalls): Update documentation.
9657 (-mshared): Document.
9659 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9661 * config/ia64/unwind-hpux.c: New file.
9662 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9664 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9667 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9669 2006-03-21 Jeff Law <law@redhat.com>
9671 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9672 type conversions of a VR_VARYING source to a wider type.
9674 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9676 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9677 tm_file on Solaris 10 and later.
9678 (sparc64-*-solaris2*): Likewise.
9679 (sparc-*-solaris2*): Likewise.
9680 * config/sol26.h: Rename to config/sol2-6.h.
9681 * config/sol2-10.h: New file.
9683 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9686 * tree-ssa-pre.c (create_component_ref_by_pieces):
9689 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9692 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9693 return it immediately.
9695 2006-03-21 Michael Matz <matz@suse.de>
9697 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9699 (remove_arc, add_arc): Update num_out_arcs member.
9700 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9702 (cache_presence): New function.
9703 (compare_states_for_equiv): New function.
9704 (state_is_differed): Don't take number of outargs, adjust callers.
9705 Use new invariant for speeding up.
9706 (init_equiv_class): Create initial classes based on sorted
9708 (partition_equiv_class): Don't track out_arcs_num.
9709 (evaluate_equiv_classes): Call cache_presence on all states and
9712 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9714 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9715 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9716 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9717 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9719 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9720 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9721 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9722 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9723 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9725 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9726 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9727 (REGNO_REG_CLASS): ARGP is in PREGS.
9728 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9730 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9731 to deal with those addresses.
9732 * addresses.h: New file.
9733 * caller-save.c: Include "addresses.h".
9734 (init_caller_save): Use new base_reg_class function.
9735 * rtl-factoring.c: Include "addresses.h".
9736 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9737 * recog.c: Include "addresses.h".
9738 (preprocess_constraints): Use new base_reg_class function.
9739 * regrename.c: Include "addresses.h".
9740 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9741 functions. Keep track of a new var INDEX_CODE to compute valid
9743 (replace_oldest_value_addr): Likewise.
9744 (replace_oldest_value_mem): Use base_reg_class.
9745 * reload.c: Include "addresses.h".
9746 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9747 (find_reloads): Use new base_reg_class function.
9748 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9749 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9750 all callers and prototype changed.
9751 * reload1.c: Include "addresses.h".
9752 (maybe_fix_stack_asms): Use base_reg_class.
9753 * regclass.c: Include "addresses.h".
9754 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9755 (init_reg_autoinc): Use new base_reg_class function.
9756 (record_reg_classes): Likewise.
9757 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9758 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9759 Use new args to compute necessary class.
9761 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9762 regrename.o, rtl-factoring.o): Update dependencies.
9763 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9764 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9765 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9766 REG_OK_FOR_INDEX_P): Delete documentation.
9768 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9770 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9771 from V7 to V9 for Solaris 7 and above.
9773 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9775 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9776 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9777 argument pointers may not alias any other storage.
9778 * common.opt: Define option -fargument-noalias-anything.
9779 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9780 alias semantics is specified by flag_argument_noalias > 2.
9782 2006-03-20 Jeff Law <law@redhat.com>
9784 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9785 (pass_phi_only_cprop): Declare.
9786 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9788 * tree-ssa-dom.c (degenerate_phi_result): New function.
9789 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9790 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9791 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9792 (eliminate_degenerate_phis): Likewise.
9793 (pass_phi_only_cprop): New pass descriptor.
9794 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9795 support code. Callers updated.
9796 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9797 (store_copy_prop): Likewise.
9798 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9800 2006-03-20 Jason Merrill <jason@redhat.com>
9803 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9804 (push_visibility, pop_visibility): Likewise.
9805 * c-pragma.h: Declare them.
9807 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9809 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9811 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9812 parameter and use get_ebb_head_tail.
9813 (sh_md_init_global): Adjust uses of find_regmode_weight.
9815 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9817 * function.h (struct function) <x_tail_recursion_reentry>:
9818 Rename to x_stack_check_probe_note.
9819 (tail_recursion_reentry): Rename to stack_check_probe_note.
9820 * function.c: Replace tail_recursion_reentry with
9821 stack_check_probe_note everywhere.
9822 (expand_function_start): Only emit a note for
9823 stack_check_probe_note with -fstack-protect.
9824 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9826 * emit-rtl.c (remove_unnecessary_notes): Remove.
9827 (pass_remove_unnecessary_notes): Remove.
9828 * rtl.h (remove_unnecessary_notes): Remove prototype.
9829 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9830 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9831 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9833 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9836 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9837 (valid_in_set): Handle ARRAY_REF.
9838 Change "if min_variant or VH" to asserts.
9839 (create_component_ref_by_pieces): Handle ARRAY_REF.
9840 (create_expression_by_pieces): Likewise.
9841 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9843 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9845 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9846 is operand of switch, not str[0].
9848 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9850 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9851 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9853 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9855 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9856 end of insn_extra_address_constraint declaration.
9858 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9860 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9861 (no-sum-in-toc): Same.
9862 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9864 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9865 NO_FP_IN_TOC for -fPIC instead of mask.
9867 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9868 (BOOT_LDFLAGS): Delete.
9870 * config/rs6000/t-aix52: Same.
9872 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9873 (stmsi[345678]_power): New.
9875 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9877 * config/ia64/ia64.opt: Add empty line to end of file.
9879 2006-03-17 Richard Guenther <rguenther@suse.de>
9882 * builtins.c (get_pointer_alignment): For component style references
9883 adjust alignment to the component type alignment. Make sure
9884 to adjust alignment for component access of constants.
9886 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9888 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9891 2006-03-17 Paul Brook <paul@codesourcery.com>
9893 * doc/install.texi: Docuemnt --with-mode.
9894 * config.gcc: Add --with-mode for arm*-*-*.
9895 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9897 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9899 * sh.c (max_labelno_before_reorg): New variable.
9900 (sh_reorg): Initialize it.
9901 (find_barrier): Check max_labelno_before_reorg before using
9902 label_to_alignment. Take length of explicit alignment insns
9903 into account. When seeing a UNSPECV_CONST_END, return it.
9905 * sh.c (fixup_mova): Set mode of affected label to QImode.
9906 (untangle_mova): New function.
9907 (find_barrier): Use it. Check mode of label before decrementing
9909 (sh_reorg): Likewise.
9910 Set mode of all insns back to VOIDmode.
9912 * sh.c (MOVA_LABELREF): New macro.
9913 (mova_p, fixup_mova, sh_reorg): Use it.
9914 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9915 ADDR_DIFF_VEC matches mova.
9917 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9919 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9920 with ATTRIBUTE_UNUSED.
9922 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9924 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9925 pointer, instead of assuming it is possible to derive the
9926 correct args size from a call insn.
9928 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9930 * rtl.h (CONST_INT_P): Define.
9931 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9932 instead of GET_CODE(x) == CONST_INT.
9933 (vax_rtx_costs): Likewise.
9934 (vax_output_int_move): Likewise.
9935 (vax_output_int_add): Likewise.
9936 (legitimate_constant_address_p): Likewise.
9937 (index_term_p): Likewise.
9938 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9939 * config/vax/vax.md (and<mode>3): Likewise.
9940 (ashrsi3): Likewise.
9942 (movstricthi): Likewise.
9943 (movstrictqi): Likewise.
9944 (rotrsi3): Likewise.
9945 (five unnamed insns): Likewise.
9947 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9949 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9950 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9951 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9952 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9953 Pass to ASM_OUTPUT_DWARF_OFFSET.
9954 * dwarf2out.c (debug_frame_section): New.
9955 (output_call_frame_info): Use debug_frame_section. Pass it to
9956 dw2_asm_output_offset.
9957 (output_die): Pass appropriate section to dw2_asm_output_offset.
9958 (output_compilation_unit_header): Likewise.
9959 (output_pubnames): Likewise.
9960 (output_aranges): Likewise.
9961 (enum dw_val_class): Break dw_val_class_lbl_offset into
9962 dw_val_class_lineptr and dw_val_class_macptr.
9963 (add_AT_lbl_offset): Delete.
9964 (add_AT_lineptr): New.
9965 (add_AT_macptr): New.
9966 (AT_lbl): Expect a lineptr or macptr.
9967 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9968 (attr_checksum): Likewise.
9969 (same_dw_val_p): Likewise.
9970 (size_of_die): Likewise.
9971 (value_format): Likewise.
9972 (output_die): Likewise.
9973 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9975 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9976 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9977 * config/darwin-protos.h (darwin_file_start): New.
9978 (darwin_asm_output_dwarf_offset): New.
9979 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9980 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9982 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9983 if not EH section; simplify.
9984 (darwin_file_start): New.
9985 (darwin_asm_output_dwarf_offset): New.
9986 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9988 (DEBUG_INFO_SECTION): Likewise.
9989 (DEBUG_ABBREV_SECTION): Likewise.
9990 (DEBUG_ARANGES_SECTION): Likewise.
9991 (DEBUG_MACINFO_SECTION): Likewise.
9992 (DEBUG_LINE_SECTION): Likewise.
9993 (DEBUG_LOC_SECTION): Likewise.
9994 (DEBUG_PUBNAMES_SECTION): Likewise.
9995 (DEBUG_STR_SECTION): Likewise.
9996 (DEBUG_RANGES_SECTION): Likewise.
9997 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9998 (ASM_OUTPUT_DWARF_OFFSET): New.
10000 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10002 * config.gcc (tm_defines): Always add to previous value rather
10005 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10007 * config/mips/predicates.md (splittable_const_int_operand): New,
10008 split from move_operand.
10009 (splittable_symbolic_operand): New.
10010 (move_operand): Add commentary. Use splittable_const_int_operand.
10011 Inline mips_atomic_symbolic_constant_p.
10012 * config/mips/mips.md: Add combine splitters for handling moves
10013 of splittable_const_int_operands and splittable_symbolic_operands.
10014 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10015 (mips_split_symbol): Declare.
10016 (mips_move_integer): Declare.
10017 * config/mips/mips.c (mips_split_p): Make global.
10018 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10019 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10020 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10021 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10022 (mips_offset_within_object_p): Handle block symbols.
10023 (mips_atomic_symbolic_constant_p): Delete.
10024 (mips_cannot_force_const_mem): Return false for constants that
10025 mips_legitimize_move can handle.
10026 (mips_use_blocks_for_constant_p): New function.
10027 (mips_split_symbol): Make global.
10028 (mips_move_integer): Likewise. Add a temporary register argument.
10029 (mips_legitimize_const_move): Use splittable_const_int_operand and
10030 splittable_symbolic_operand.
10031 (mips_use_anchors_for_symbol_p): New function.
10032 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10033 (mips_split_p): Declare.
10035 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10037 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10038 (mips*-*-linux*): Likewise.
10040 2006-03-16 Roger Sayle <roger@eyesopen.com>
10041 Daniel Speyer <dspeyer@wam.umd.edu>
10043 PR middle-end/18259
10044 * tree-dump.c (dump_real): New function.
10045 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10046 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10047 (tree-dump.o): Add $(REAL_H) to the dependencies.
10049 2006-03-16 Roger Sayle <roger@eyesopen.com>
10051 PR middle-end/21781
10052 * real.c (real_from_string): If the mantissa is zero, don't bother
10053 parsing the exponent as the result should always be zero.
10055 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10057 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10059 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10061 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10062 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10063 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10064 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10065 ia64_sched_finish_global): New static functions to implement
10066 hooks from gcc_target.sched.
10067 (spec_check_no, max_uid, pending_data_specs): New static variables.
10068 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10069 ia64_spec_check_src_p): New static functions.
10070 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10071 (TARGET_SCHED_ADJUST_COST): Removed.
10072 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10073 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10074 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10075 TARGET_SCHED_GEN_CHECK,
10076 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10077 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10078 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10079 Fixed to handle speculation checks.
10080 (rtx_needs_barrier): Fixed to handle speculative loads and
10082 (ia64_variable_issue): Added code to count speculative loads and their
10084 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10086 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10088 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10090 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10091 (ia64_reorg): Reset stops_p to NULL after it is freed.
10092 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10093 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10094 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10096 (data_speculative, control_speculative, check_load): New attributes.
10097 (mov<mode>_advanced, mov<mode>_speculative,
10098 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10099 zero_extend<mode>di2_speculative,
10100 zero_extend<mode>di2_speculative_advanced): New patterns for
10101 data and control speculative loads.
10102 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10104 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10105 New pattern for data and control speculation checks.
10106 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10107 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10108 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10109 Auxiliary definitions for the patterns.
10110 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10111 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10113 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10115 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10116 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10117 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10118 New resource constraints.
10119 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10121 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10122 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10123 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10124 msched-in-control-spec, msched-ldc, msched-control-ldc,
10125 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10126 msched-prefer-non-control-spec-insns,
10127 msched-count-spec-in-critical-path): New flags to tune speculative
10129 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10130 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10131 msched-in-control-spec, msched-ldc, msched-control-ldc,
10132 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10133 msched-prefer-non-control-spec-insns,
10134 msched-count-spec-in-critical-path): Document new flags.
10136 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10138 * target.h (struct spec_info_def): New opaque declaration.
10139 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10140 speculate_insn, needs_block_p, gen_check,
10141 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10142 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10143 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10144 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10145 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10146 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10148 (TARGET_SCHED): Use new macros.
10149 * rtl.h (copy_DEPS_LIST_list): New prototype.
10150 * sched-int.h (struct sched_info): Change signature of new_ready field,
10151 adjust all initializations. New fields: add_remove_insn,
10152 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10153 region_head_or_leaf_p.
10154 (struct spec_info_def): New structure declaration.
10155 (spec_info_t): New typedef.
10156 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10157 recovery_block, orig_pat.
10158 (glat_start, glat_end): New variables declaraions.
10159 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10161 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10162 DETACH_LIFE_INFO, USE_GLAT.
10163 (enum SPEC_SCHED_FLAGS): New enumeration.
10164 (NOTE_NOTE_BB_P): New macro.
10165 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10166 attach_life_info, debug_spec_status, check_reg_live): New functions.
10167 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10168 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10170 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10171 * ddg.c (get_block_head_tail): Adjust all uses.
10172 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10173 (sms_sched_info): Initialize new fields.
10174 (contributes_to_priority): Removed.
10175 * haifa-sched.c (params.h): New include.
10176 (get_block_head_tail): Adjust all uses.
10177 (ISSUE_POINTS): New macro.
10178 (glat_start, glat_end): New global variables.
10179 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10180 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10181 old_last_basic_block, before_recovery, current_sched_info_var,
10182 rgn_n_insns, luid): New static variables.
10183 (insn_cost1): New function. Move logic from insn_cost to here.
10184 (find_insn_reg_weight1): New function. Move logic from
10185 find_insn_reg_weight to here.
10186 (reemit_notes, move_insn, max_issue): Change signature.
10187 (move_insn1): Removed.
10188 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10189 extend_bb): New static functions to support extension of scheduler's
10191 (generate_recovery_code, process_insn_depend_be_in_spec,
10192 begin_speculative_block, add_to_speculative_block,
10193 init_before_recovery, create_recovery_block, create_check_block_twin,
10194 fix_recovery_deps): New static functions to support
10195 generation of recovery code.
10196 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10197 restore_bb_notes, move_block_after_check, move_succs): New static
10198 functions to support ebb scheduling.
10199 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10200 functions to support handling of register live information.
10201 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10202 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10203 add_jump_dependencies): New static functions.
10204 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10205 consistancy checking.
10206 (debug_spec_status): New function to call from debugger.
10207 (priority): Added code to handle speculation checks.
10208 (rank_for_schedule): Added code to distinguish speculative instructions.
10209 (schedule_insn): Added code to handle speculation checks.
10210 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10211 Fixed to handle ebbs.
10212 (move_insn): Added code to handle ebb scheduling.
10213 (max_issue): Added code to use ISSUE_POINTS of instructions.
10214 (choose_ready): Added code to choose between speculative and
10215 non-speculative instructions.
10216 (schedule_block): Added code to handle ebb scheduling and scheduling of
10217 speculative instructions.
10218 (sched_init): Initialize new variables.
10219 (sched_finish): Free new variables. Print statistics.
10220 (try_ready): Added code to handle speculative instructions.
10221 * lists.c (copy_DEPS_LIST_list): New function.
10222 * sched-deps.c (extend_dependency_caches): New function. Move logic
10223 from create_dependency_caches to here.
10224 (get_dep_weak, ds_merge): Make global.
10225 * genattr.c (main): Code to output prototype for
10226 dfa_clear_single_insn_cache.
10227 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10228 (output_dfa_clean_insn_cache_func): Code to output
10229 dfa_clear_single_insn_cache function.
10230 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10232 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10234 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10235 New static variables.
10236 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10237 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10239 (ebb_sched_info): Initialize new fields.
10240 (get_block_head_tail): Adjust all uses.
10241 (compute_jump_reg_dependencies): Fixed to use glat_start.
10242 (schedule_ebb): Code to remove unreachable last block.
10243 (schedule_ebbs): Added code to update register live information.
10244 * sched-rgn.c (region_sched_info): Initialize new fields.
10245 (get_block_head_tail): Adjust all uses.
10246 (last_was_jump): Removed. Adjust users.
10247 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10248 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10249 Implement new hooks.
10250 (check_dead_notes1): New static function.
10251 (struct region): New fields: dont_calc_deps, has_real_ebb.
10252 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10253 (BB_TO_BLOCK): Fixed to handle EBBs.
10254 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10255 (ebb_head): New static variable.
10256 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10257 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10259 (compute_dom_prob_ps): New assertion.
10260 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10261 global_live_at_start.
10262 (init_ready_list): New assertions.
10263 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10264 (new_ready): Add support for BEGIN_CONTROL speculation.
10265 (schedule_insns): Fixed code that updates register live information
10267 (schedule_region): Fixed to handle EBBs.
10268 (init_regions): Use extend_regions and check_dead_notes1.
10269 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10270 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10271 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10272 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10273 TARGET_SCHED_GEN_CHECK,
10274 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10275 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10276 * doc/invoke.texi (max-sched-insn-conflict-delay,
10277 sched-spec-prob-cutoff): Document.
10279 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10281 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10282 inter_tick, queue_index.
10283 (struct sched_info): Change signature of init_ready_list field.
10284 Adjust all initializations.
10285 (RESOLVED_DEPS): New access macro.
10286 (ready_add): Remove prototype.
10287 (try_ready): Add prototype.
10288 * sched-rgn.c (init_ready_list): Use try_ready.
10289 (schedule_region): Initialize
10290 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10291 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10292 (init_ready_list): Use try_ready.
10293 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10294 * lists.c (remove_list_elem): Remove `static'.
10295 (remove_free_INSN_LIST_elem): New function.
10296 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10297 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10298 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10300 (readyp): New variable.
10301 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10302 change_queue_index, resolve_dep): New static functions.
10303 (try_ready): New function. Adjust callers in sched-rgn.c and
10304 sched-ebb.c to use it instead of ready_add.
10305 (clock_var): Move at the begining of file.
10306 (rank_for_schedule): Fix typo.
10307 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10308 (ready_lastpos): Enforce assertion.
10309 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10310 update all callers.
10311 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10312 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10313 (queue_to_ready): Use free_INSN_LIST_list.
10314 (early_queue_to_ready): Fix typo.
10315 (schedule_block): Init readyp. Move init_ready_list call after the
10316 initialization of clock_var. Fix error in rejecting insn by
10317 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10318 that previously corrected INSN_TICKs. Add code for handling
10320 (set_priorities): Fix typo.
10321 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10322 Clarify comment and code that keeps current_sched_info->next_tail
10325 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10327 * sched-rgn.c (extend_rgns): New static function.
10328 (find_rgns): Use it.
10329 (gather_region_statistics, print_region_statistics): New static
10331 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10332 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10334 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10335 Andrey Belevantsev <abel@ispras.ru>
10337 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10338 * lists.c (unused_deps_list): New variable.
10339 (free_list): Add assertions to verify the proper distinguishing
10340 between INSN_LISTs and DEPS_LISTs.
10341 (find_list_elem, remove_list_elem, remove_list_node): New static
10343 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10344 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10345 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10346 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10348 (free_INSN_LIST_node): Likewise.
10349 * modulo-sched.c (current_sched_info): Initialize flags field.
10350 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10351 * rtl.def (DEPS_LIST): Define.
10352 * rtl.h: Declare new functions from lists.c.
10353 * sched-deps.c (spec_dependency_cache): New static variable.
10354 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10355 (add_dependence): Change return type to void. Move the logic to ...
10356 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10357 (delete_all_dependences): Add comment about forward_dependency_cache.
10358 Handle spec_dependency_cache. Handle DEPS_LISTs.
10359 (fixup_sched_groups): Clarify the change of priority of output
10360 and anti dependencies.
10361 (sched_analyze_2): Adjust add_dependence calls to create data
10362 speculative dependence.
10363 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10364 Adjust all callers. Handle DEPS_LISTS.
10365 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10366 presence of speculation.
10367 (init_dependency_caches, free_dependency_caches):
10368 Handle spec_dependency_cache.
10369 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10370 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10371 New static functions.
10372 (add_or_update_back_dep, add_or_update_back_forw_dep,
10373 add_back_forw_dep, delete_back_forw_dep): New functions.
10374 * sched-int.h (ds_t, dw_t): New typedefs.
10375 (struct sched_info): Add new field flags.
10376 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10377 Prototype new sched-deps.c functions.
10378 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10379 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10380 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10381 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10382 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10383 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10385 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10387 * sched-rgn.c (current_sched_info): Initialize flags field.
10388 (schedule_insns): Initialize current_sched_info before the sched_init
10390 * sched-ebb.c (current_sched_info): Initialize flags field.
10391 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10392 Call add_or_update_back_dep instead of add_dependence.
10393 Create control speculative dependencies.
10394 (schedule_insns): Initialize current_sched_info before the sched_init
10397 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10399 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10401 (sh_fallback_frame_state): Likewise.
10403 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10405 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10406 Do switch on default_use_cxa_atexit.
10407 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10408 * config/darwin-crt3.o: New.
10409 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10410 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10411 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10413 * config/rs6000/t-darwin: Move crt2.o building to here.
10414 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10415 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10418 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10420 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10421 from '! xxx' to '!xxx' for coding-style conformance.
10422 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10423 (EXTRA_CONSTRAINT): Likewise.
10424 * config/vax/vax.md (four unnamed insns): Likewise.
10426 2006-03-15 Paul Brook <paul@codesourcery.com>
10428 * config/arm/arm.c (minipool_pad): New.
10429 (add_minipool_forward_ref): Include pool alignment padding in address
10431 (push_minipool_fix): Set minipool_pad.
10432 (minipool_pad): Ditto.
10434 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10436 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10437 instead of GET_CODE() == MEM and REG_P() instead of
10439 (print_operand_address): Likewise.
10440 (vax_address_cost): Likewise.
10441 (vax_rtx_costs): Likewise.
10442 (vax_notice_update_cc): Likewise.
10443 (vax_output_int_add): Likewise.
10444 (INDEX_REGISTER_P): Likewise.
10445 (BASE_REGISTER_P): Likewise.
10446 (nonindexed_address_p): Likewise.
10447 (vax_mode_dependent_address_p): Likewise.
10448 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10449 (PRINT_OPERAND): Likewise.
10450 * config/vax/vax.md (ashlsi3): Likewise.
10451 (ashlsi3): Likewise.
10452 (some more unnamed insns): Likewise.
10454 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10456 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10457 iterator-style macro.
10458 (mark_control_dependent_edges_necessary): Update the use of
10459 EXECUTE_IF_CONTROL_DEPENDENT.
10461 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10463 * config/sh/predicates.md (cache_address_operand): Special.
10464 (ua_address_operand): Likewise.
10466 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10468 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10470 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10472 2006-03-15 Andreas Schwab <schwab@suse.de>
10474 * gensupport.c (identify_predicable_attribute): Don't free p_false
10475 when it is still in use.
10477 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10479 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10480 the default setting here.
10482 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10484 * tree-pass.h (pass_cfg): Remove.
10485 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10486 * passes.c (pass_cfg): Don't run it.
10488 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10490 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10491 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10493 (stack_regs_mentioned): Update the uses of
10494 stack_regs_mentioned_data. Don't access the array beyond its
10496 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10497 Don't include gt-reg-stack.h.
10499 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10500 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10502 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10504 PR middle-end/26684
10505 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10508 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10510 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10512 2006-03-14 Richard Guenther <rguenther@suse.de>
10514 PR tree-optimization/26672
10515 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10518 2006-03-14 Richard Guenther <rguenther@suse.de>
10520 PR tree-optimization/26667
10521 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10522 node for the callees. Always allow inlining if it will shrink
10525 2006-03-14 Richard Guenther <rguenther@suse.de>
10527 PR middle-end/26659
10528 * builtins.c (get_pointer_alignment): Prefer alignment
10529 information from decls over that from types.
10531 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10534 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10536 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10538 * config/rs6000/rs6000.opt (mdlmzb): New option.
10539 (msched-prolog, msched-epilog): Use Var not Mask.
10540 * doc/invoke.texi (-mdlmzb): Document.
10541 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10543 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10544 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10546 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10548 PR rtl-optimization/25739
10549 * bt-load.c (augment_live_range): Free tos pointer.
10551 * gensupport.c (identify_predicable_attribute): Free
10553 * gcov.c (create_file_names): Free name pointer.
10555 2006-03-13 Roger Sayle <roger@eyesopen.com>
10557 PR middle-end/26557
10558 * stmt.c (emit_case_nodes): Handle the case where the index is a
10559 CONST_INT, where the comparison mode is specified by the index type.
10561 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10563 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10566 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10568 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10569 (*branch_fp_inverted): Likewise.
10571 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10573 PR middle-end/25989
10574 * omp-low.c (expand_omp_for_generic): Mark istart0
10575 and iend0 as addressable.
10577 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10579 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10581 2006-03-13 Jeff Law <law@redhat.com>
10583 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10584 virtual operands are interesting.
10585 (vrp_visit_stmt): Corresponding changes.
10587 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10589 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10591 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10592 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10593 * config/bfin/crti.S: Use it instead of __PIC__.
10594 * config/bfin/crtn.S: Likewise.
10596 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10597 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10599 Lose 'G' modifier for call operand.
10600 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10601 recognize 'G' modifier.
10603 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10605 PR middle-end/18859
10606 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10607 * stmt.c (expand_case): Likewise.
10609 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10611 PR rtl-optimization/26254
10612 * loop-invariant.c (seq_insns_valid_p): New function.
10613 (move_invariant_reg): Only emit new code if it is valid.
10615 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10617 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10619 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10620 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10621 (commit_one_edge_insertion): Do not look for loop notes.
10623 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10625 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10626 flag_test_coverage out of loop.
10628 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10630 * final.c (shorten_branches): Remove outdated comment, and turn
10631 the if branch that guards it to continue.
10633 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10635 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10636 * cfgloop.h (struct loop): Remove unused fields.
10638 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10640 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10641 (-dL, -fdump-rtl-loop2): Update the dump file names
10643 * doc/invoke.texi: Update dump file names.
10645 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10647 * predict.c (estimate_probability): Remove.
10648 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10649 * basic-block.h (estimate_probability): Remove prototype.
10650 * passes.c (finish_optimization_passes): Dump branch prediction or
10651 profiling heuristics to the .profile tree dump.
10652 (init_optimization_passes): Unqueue pass_branch_prob.
10654 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10656 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10658 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10659 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10661 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10663 * function.h (frame_offset_overflow): Declare.
10664 * function.c (frame_offset_overflow): New function.
10665 (assign_stack_local_1): Call it to detect that the offset overflows.
10666 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10668 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10670 * config/sh/sh.c: Include alloc-pool.h.
10671 (label_ref_list_pool): New alloc pool.
10672 (label_ref_list_t): New type for lists of labels.
10673 (struct pool_node): Make wend a label_ref_list_t.
10674 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10676 (dump_table): Likewise.
10677 (sh_reorg): Set up the alloc pool before using add_constant and
10678 dump_table, and destroy it when finishing.
10680 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10682 * config/mips/mips.c: Remove redundant comment.
10684 2006-03-10 Jason Merrill <jason@redhat.com>
10687 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10688 the target was declared 'register'.
10690 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10692 * genpreds.c (write_insn_constraint_len): Change definition of
10693 insn_constraint_len to return size_t to match the declaration.
10695 2006-03-10 DJ Delorie <dj@redhat.com>
10697 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10699 (m32c_expand_insv): Fix test for an AND mask.
10701 2006-03-10 Richard Guenther <rguenther@suse.de>
10703 PR middle-end/26565
10704 * builtins.c (get_pointer_alignment): Handle component
10705 references for field alignment.
10707 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10709 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10710 when building with libgloss.
10711 (sh*elf): Implement --without-fp option.
10712 (sh64-superh-linux*): Don't multilib.
10714 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10716 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10718 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10720 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10721 Set it when one of the replacement functions returned true.
10722 Return TODO_cleanup_cfg if cfgchanged is true.
10723 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10725 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10727 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10728 instead of gen_lowpart.
10730 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10732 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10734 (mips_output_order_conditional_branch): Declare.
10735 * config/mips/mips.h (MIPS_BRANCH): New macro.
10736 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10737 for the comparison. Use gen_condjump.
10738 (mips_output_conditional_branch): Rework interface to take the
10739 asm templates for a direct branch and the inverse of a direct branch.
10740 (mips_output_order_conditional_branch): New function.
10741 (mips_builtin_branch_and_move): New function.
10742 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10743 branch condition. Use gen_single_cc as the condition for
10744 __builtin_mips_upper_* or __builtin_mips_lower_*.
10745 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10746 Use VOIDmode for the branch condition.
10747 * config/mips/predicates.md (order_operator): New predicate.
10748 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10749 (branch_fp): Rename to...
10750 (*branch_fp): ...this. Remove mode from comparison operator.
10751 Use new mips_output_conditional_branch interface.
10752 (branch_fp_inverted): Rename to...
10753 (*branch_fp_inverted): ...this and update as for *branch_fp.
10754 (*branch_zero<mode>): Rename to...
10755 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10756 Use mips_output_order_conditional_branch. Only accept ordered
10758 (*branch_zero<mode>_inverted): Rename to...
10759 (*branch_order<mode>_inverted): ...this and update as for
10760 *branch_order<mode>.
10761 (*branch_equality<mode>): Accept zero as the second operand to
10762 the equality operator. Use the new mips_output_conditional_branch
10764 (*branch_equality<mode>_inverted): Likewise.
10765 (condjump): New expander.
10766 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10768 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10769 (bc1any2t, bc1any2f): Likewise.
10770 (single_cc): New expander.
10771 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10773 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10775 * doc/md.texi: Update documentation of MIPS constraints.
10776 * config/mips/constraints.md: New file.
10777 * config/mips/mips.md: Include it.
10778 * config/mips/mips.c (mips_char_to_class): Delete.
10779 (override_options): Don't initialize mips_char_to_class.
10780 * config/mips/mips.h (mips_char_to_class): Delete.
10781 (REG_CLASS_FROM_LETTER): Delete.
10782 (CONST_OK_FOR_LETTER_P): Delete.
10783 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10784 (EXTRA_CONSTRAINT_Y): Delete.
10785 (EXTRA_CONSTRAINT_STR): Delete.
10786 (CONSTRAINT_LEN): Delete.
10787 (EXTRA_MEMORY_CONSTRAINT): Delete.
10789 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10791 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10792 original fn's eh regions.
10794 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10796 * fold-const.c (build_range_check): Make sure to use a valid type to
10797 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10800 (range_predecessor): New static function.
10801 (range_successor): Likewise.
10802 (merge_ranges): Use them to compute predecessors and successors of
10805 2006-03-09 Roger Sayle <roger@eyesopen.com>
10807 PR middle-end/26561
10808 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10809 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10811 2006-03-08 DJ Delorie <dj@redhat.com>
10813 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10814 (addpsi3): Expand to include memory operands. Remove
10815 reload-specific splits.
10816 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10817 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10818 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10819 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10820 (shift1_qi, shift1_hi, insv): New.
10821 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10822 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10823 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10825 * config/m32c/m32c-protos.h: Update as needed.
10826 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10827 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10828 Fail for unrecognized R* constraints.
10829 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10830 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10831 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10833 (m32c_init_libfuncs): New.
10834 (m32c_legitimate_address_p): Add debug wrapper.
10835 (m32c_rtx_costs): New.
10836 (m32c_address_cost): New.
10837 (conversions): Add 'B' prefix.
10838 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10839 operands, or word regnames for QI operands. 'B' prints bit
10841 (m32c_expand_setmemhi): New.
10842 (m32c_expand_movmemhi): New.
10843 (m32c_expand_movstr): New.
10844 (m32c_expand_cmpstr): New.
10845 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10846 (m32c_expand_neg_mulpsi3): Handle non-ints.
10847 (m32c_cmp_flg_0): New.
10848 (m32c_expand_movcc): New.
10849 (m32c_expand_insv): New.
10850 (m32c_scc_pattern): New.
10851 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10852 a0/a1 out of SIregs.
10853 (STORE_FLAG_VALUE): New.
10854 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10857 * config/m32c/mov.md: Make constraints more liberal.
10858 (zero_extendqihi2): Optimize r0/r1 case.
10859 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10860 * config/m32c/predicates.md (m32c_any_operand): New.
10861 (m32c_nonimmediate_operand): New.
10862 (m32c_hl_operand): New.
10863 (m32c_r3_operand): New.
10866 (memsym_operand): New.
10867 (memimmed_operand): New.
10868 (a_qi_operand): New.
10869 (m32c_eqne_operator): New.
10870 (m32c_1bit8_operand): New.
10871 (m32c_1bit16_operand): New.
10872 (m32c_1mask8_operand): New.
10873 (m32c_1mask16_operand): New.
10874 * config/m32c/blkmov.md: New file.
10875 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10877 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10879 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10880 unsigned to fix signed/unsigned comparison issue in
10881 DWARF2_FRAME_REG_OUT.
10882 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10883 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10885 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10886 of ptr into the ENABLE_CHECKING section.
10888 2006-03-08 Jeff Law <law@redhat.com>
10890 * tree-vrp.c (infer_value_range): Only count pointer uses
10891 and dereferences if -fdelete-null-pointer-checks is enabled.
10893 * tree-vrp.c (find_assert_locations): Infer value ranges for
10894 single use pointers, but do not create ASSERT_EXPRs for them.
10895 When a non-null range is inferred for a pointer, backwards
10896 propagate that range to other equivalent pointers through the
10899 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10902 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10903 language hook targets.
10904 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10905 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10906 if language hook targets were missing.
10908 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10910 * tree-ssa-opfinalize.h: Removed.
10911 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10913 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10914 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10915 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10916 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10917 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10918 finalize_ssa_v_must_def_ops): New.
10920 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10922 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10923 block as parameter.
10925 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10927 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10929 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10930 addresses with offsets; reorganize.
10932 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10933 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10934 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10936 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10939 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10941 2006-03-08 Ben Elliston <bje@au.ibm.com>
10943 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10945 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10948 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10951 2006-03-07 Richard Guenther <rguenther@suse.de>
10953 PR tree-optimization/26587
10954 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10956 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10958 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10960 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10962 * hooks.c (hook_bool_mode_rtx_true): New function.
10963 * hooks.h (hook_bool_mode_rtx_true): Declare.
10964 * toplev.c (compile_file): Call output_shared_constant_pool.
10965 * varasm.c (shared_constant_pool): New variable.
10966 (assemble_start_function, assemble_end_function): Remove arguments
10967 from call to output_constant_pool.
10968 (create_constant_pool): New function, split out from...
10969 (init_varasm_status): ...here.
10970 (force_const_mem): Choose between the shared and per-function constant
10971 pools. Set current_function_uses_const_pool when reusing old entries
10972 as well as when creating new ones.
10973 (mark_constant): Ignore data argument.
10974 (mark_constants): Remove pool argument.
10975 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10976 to decide whether the function uses a constant pool.
10977 (output_constant_pool_contents): New function, split out from...
10978 (output_constant_pool): ...here.
10979 (output_shared_constant_pool): New function.
10980 (init_varasm_once): Initialize shared_constant_pool.
10981 * output.h (output_constant_pool): Delete.
10982 (output_shared_constant_pool): Declare.
10983 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10984 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10986 2006-03-06 Nick Clifton <nickc@redhat.com>
10988 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10989 flag_strength_reduce.
10991 2006-03-06 Ben Elliston <bje@au.ibm.com>
10993 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10994 x86_64-*-linux* configurations.
10996 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10997 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10999 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11001 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11003 * basic-block.h: Remove the extern for
11004 rediscover_loops_after_threading.
11006 * cfgloop.c (cancel_loop): Make it static.
11007 * cfgloop.h: Remove the prototype for cancel_loop.
11009 * flow.c (recompute_reg_usage): Make it static.
11010 * rtl.h: Remove the prototype for recompute_reg_usage.
11012 * function.c (use_return_register): Make it static.
11013 * function.h: Remove the prototype.
11015 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11017 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11019 * recog.h: Remove the prototype for
11020 validate_change_maybe_volatile.
11022 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11024 * rtlanal.c (replace_reg): Remove.
11025 * rtl.h: Remove the prototype for replace_reg.
11027 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11029 * regclass.c (reg_scan_update): Remove.
11030 (reg_scan_mark_refs): Remove the last argument.
11031 * rtl.h: Remove the prototype for reg_scan_update.
11033 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11035 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11036 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11037 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11038 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11039 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11040 loop-invariant.c, omp-low.c, opts.c, passes.c,
11041 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11042 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11043 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11044 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11045 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11046 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11048 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11050 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11051 * dwarf2out.h: Remove the prototype for
11052 dwarf2out_add_library_unit_info.
11054 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11056 * tree.c (add_var_to_bind_expr): Remove.
11057 * tree.h: Remove the prototype for add_var_to_bind_expr.
11059 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11061 * regclass.c (n_non_fixed_regs): Remove.
11062 (init_reg_sets_1, globalize_reg): Remove all uses of
11064 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11066 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11068 * rtlanal.c (insns_safe_to_move_p): Remove.
11069 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11071 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11073 * expmed.c (expand_mult_add): Remove.
11074 * expr.h: Remove the prototype for expand_mult_add.
11076 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11078 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11079 and REG_SAVED_VAL_EXP constants.
11080 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11081 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11082 Handle regs stored by value.
11083 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11084 (execute_cfa_program): Handle DW_CFA_val_offset,
11085 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11086 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11087 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11088 (uw_install_context_1): Handle target regs stored by value.
11090 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11092 * tree-sra.c (tree_sra): Return todoflags;
11093 (generate_one_element): Set TODO_update_smt_usage if needed.
11094 (pass_sra): Remove TODO_update_smt_usage.
11095 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11097 (tree_ssa_forward_propagate_single_use_vars): Return
11098 TODO_update_smt_usage if we need to update SMT usage.
11099 (pass_forwprop): Remove TODO_update_smt_usage.
11101 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11103 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11104 (correct_use_link): Remove reference to get_stmt_operands.
11105 (update_stmt_operands): Likewise.
11106 (get_modify_expr_operands): New function factored out of
11107 parse_ssa_operands and get_expr_operands.
11108 Try to create V_MUST_DEFs for LHS by default.
11109 (get_expr_operands) <case MODIFY_EXPR>: Call
11110 get_modify_expr_operands.
11111 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11112 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11113 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11114 get_modify_expr_operands.
11116 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11118 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11119 * tree-flow.h: Remove the prototype for
11120 referenced_var_lookup_if_exists.
11122 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11124 PR rtl-optimization/26345
11126 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11128 2006-03-03 Roger Sayle <roger@eyesopen.com>
11130 PR tree-optimization/26524
11131 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11132 fold_convert to create a constant of the appropriate type.
11134 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11136 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11137 SYMBOL_REF_IN_BLOCK_P.
11138 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11139 of SYMBOL_FLAG_IN_BLOCK.
11140 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11141 instead of SYMBOL_REF_IN_BLOCK_P.
11142 * explow.c (use_anchored_address): Likewise.
11143 * rtl.c (rtx_size): Likewise.
11144 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11145 instead of SYMBOL_FLAG_IN_BLOCK.
11146 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11147 SYMBOL_REF_IN_BLOCK_P.
11148 (assemble_variable): Likewise.
11149 (output_constant_def_contents): Likewise.
11150 (output_constant_pool): Likewise.
11151 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11152 instead of SYMBOL_FLAG_IN_BLOCK.
11153 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11154 SYMBOL_REF_IN_BLOCK_P.
11155 (SYMBOL_REF_BLOCK): Likewise.
11156 (SYMBOL_REF_OFFSET): Likewise.
11157 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11158 SYMBOL_REF_IN_BLOCK_P.
11159 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11160 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11161 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11162 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11164 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11166 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11168 2006-03-02 Roger Sayle <roger@eyesopen.com>
11170 * simplify-rtx.c (simplify_unary_operation): When simplifying
11171 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11172 that we perform the right shift in the appropriate mode, and
11173 then extend or truncate the result to requested mode.
11175 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11177 * gengtype.c (main): Handle double_int type.
11178 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11179 * double-int.c: New file.
11180 * double-int.h: New file.
11181 * system.h: Include doubleint.h.
11182 * Makefile.in (SYSTEM_H): Include double-int.h.
11183 (double-int.o): Add.
11185 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11188 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11191 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11193 * tree-vrp.c (remove_range_assertions): Do not update statements
11196 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11198 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11200 * gcse.c (rest_of_handle_gcse): Ditto.
11201 * except.c (gate_handle_eh): Ditto.
11202 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11203 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11205 2006-03-02 Eric Christopher <echristo@apple.com>
11207 * config/i386/i386.c (machopic_output_stub): Add indirection to
11210 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11214 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11216 Sun Niagara specific optimizations.
11217 * config.gcc: Recognize niagara as target.
11218 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11219 (TARGET_CPU_niagara): Define.
11220 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11221 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11222 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11223 (ASM_CPU_SPEC): Likewise.
11224 (PROCESSOR_NIAGARA): New enum entry.
11225 (REGISTER_MOVE_COST): Handle Niagara.
11226 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11227 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11228 (sparc_override_options): Recognize "niagara", set appropriate
11229 default MASK_* values for it, and align functions to 32-bytes
11230 by default just like ULTRASPARC/ULTRASPARC3.
11231 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11232 (sparc64_initialize_trampoline): Likewise.
11233 (sparc_use_sched_lookahead): Use zero for niagara.
11234 (sparc_issue_rate): Use one for niagara.
11235 * config/sparc/niagara.md: New file.
11236 * config/sparc/sparc.md: Include it.
11237 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11238 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11239 when default cpu is niagara.
11240 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11241 (ASM_CPU_SPEC): Likewise.
11242 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11243 when default cpu is niagara.
11244 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11245 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11246 just like v9/ultrasparc/ultrasparc3.
11247 * doc/invoke.texi: Add documentation for "niagara" and improve
11248 existing documentation for ultrasparc variants.
11250 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11252 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11254 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11256 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11257 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11258 and say that only one is needed.
11259 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11260 * target.h (have_switchable_bss_sections): New hook.
11261 * explow.c (use_anchored_address): Check that the symbol is in a block.
11262 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11263 (bss_noswitch_section): New variables.
11264 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11265 (get_noswitch_section): New function.
11266 (get_block_for_section): Allow SECT to be null.
11267 (unlikely_text_section_p): Use SECTION_STYLE.
11268 (bss_initializer_p): New function.
11269 (get_variable_section): Move earlier in file. Take a new argument,
11270 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11271 Return one of the new *_sections in such cases.
11272 (get_block_for_decl): New function, extracting some logic from
11273 use_blocks_for_decl_p.
11274 (change_symbol_section): Remove in favor of...
11275 (change_symbol_block): ...this new function.
11276 (use_blocks_for_decl_p): Remove checks now performed by
11277 get_block_for_decl.
11278 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11279 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11280 (emit_local, emit_bss, emit_common): ...these new functions.
11281 Return true if the alignment was honored.
11282 (emit_tls_common): New function.
11283 (asm_emit_uninitialised): Delete.
11284 (assemble_variable_noswitch): New function, split out from...
11285 (assemble_variable): ...here. Don't make decisions about common
11286 variables here. Globalize all public decls that go into non-common
11287 sections. Check whether SYMBOL_REF_BLOCK is null.
11288 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11289 (output_constant_pool): Likewise.
11290 (init_varasm_once): Initialize the new section variables.
11291 (have_global_bss_p): New function.
11292 (categorize_decl_for_section): Use bss_initializer_p.
11293 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11294 (place_block_symbol): Assert that the symbol must be in a block.
11295 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11296 (TARGET_INITIALIZER): Include it.
11297 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11298 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11299 (SECTION_MACH_DEP): Bump by two.
11300 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11301 (unnamed_section): Mention SECTION_UNNAMED in comment.
11302 (named_section): Likewise SECTION_NAMED.
11303 (noswitch_section_callback): New type.
11304 (noswitch_section): New structure.
11305 (section): Add a noswitch_section alternative.
11306 (SECTION_STYLE): New macro.
11307 (tls_comm_section, comm_section, lcomm_section): Declare.
11308 (bss_noswitch_section, have_global_bss_p): Declare.
11309 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11310 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11312 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11313 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11316 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11318 * tree-vrp.c (execute_vrp): Return value.
11319 * regrename.c (rest_of_handle_regrename): Ditto.
11320 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11321 * tree-complex.c (tree_lower_complex): Ditto.
11322 (tree_lower_complex_O0): Ditto.
11323 * tracer.c (rest_of_handle_tracer): Ditto.
11324 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11325 * postreload.c (rest_of_handle_postreload): Ditto.
11326 * tree-tailcall.c (execute_tail_recursion): Ditto.
11327 (execute_tail_calls): Ditto.
11328 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11329 * tree.h (init_function_for_compilation): Ditto.
11330 * ipa-cp.c (ipcp_driver): Ditto.
11331 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11332 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11333 * final.c (compute_alignments): Ditto.
11334 (rest_of_handle_final): Ditto.
11335 (rest_of_handle_shorten_branches): Ditto.
11336 (rest_of_clean_state): Ditto.
11337 * omp-low.c (execute_expand_omp): Ditto.
11338 (execute_lower_omp): Ditto.
11339 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11340 * ipa-reference.c (static_execute): Ditto.
11341 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11342 * reorg.c (rest_of_handle_delay_slots): Ditto.
11343 (rest_of_handle_machine_reorg): Ditto.
11344 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11345 * flow.c (recompute_reg_usage): Ditto.
11346 (rest_of_handle_remove_death_notes): Ditto.
11347 (rest_of_handle_life): Ditto.
11348 (rest_of_handle_flow2): Ditto.
11349 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11350 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11351 (do_ssa_store_ccp): Ditto.
11352 (execute_fold_all_builtins): Ditto.
11353 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11354 * modulo-sched.c (rest_of_handle_sms): Ditto.
11355 * ipa-pure-const.c (static_execute): Ditto.
11356 * cse.c (rest_of_handle_cse): Ditto.
11357 (rest_of_handle_cse2): Ditto.
11358 * web.c (rest_of_handle_web): Ditto.
11359 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11360 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11361 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11362 * tree-nrv.c (tree_nrv): Ditto.
11363 (execute_return_slot_opt): Ditto.
11364 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11365 (create_structure_vars): Ditto.
11366 * loop-init.c (rtl_loop_init): Ditto.
11367 (rtl_loop_done): Ditto.
11368 (rtl_move_loop_invariants): Ditto.
11369 (rtl_unswitch): Ditto.
11370 (rtl_unroll_and_peel_loops): Ditto.
11371 (rtl_doloop): Ditto.
11372 * gimple-low.c (lower_function_body): Ditto.
11373 (mark_used_blocks): Ditto.
11374 * tree-ssa-sink.c (execute_sink_code): Ditto.
11375 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11376 (cgraph_early_inlining): Ditto.
11377 * global.c (rest_of_handle_global_alloc): Ditto.
11378 * jump.c (cleanup_barriers): Ditto.
11379 (purge_line_number_notes): Ditto.
11380 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11381 (rest_of_handle_if_after_reload): Ditto.
11382 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11383 (tree_ssa_loop_im): Ditto.
11384 (tree_ssa_loop_unswitch): Ditto.
11385 (tree_vectorize): Ditto.
11386 (tree_linear_transform): Ditto.
11387 (tree_ssa_loop_ivcanon): Ditto.
11388 (tree_ssa_empty_loop): Ditto.
11389 (tree_ssa_loop_bounds): Ditto.
11390 (tree_complete_unroll): Ditto.
11391 (tree_ssa_loop_prefetch): Ditto.
11392 (tree_ssa_loop_ivopts): Ditto.
11393 (tree_ssa_loop_done): Ditto.
11394 * predict.c (tree_estimate_probability): Ditto.
11395 * recog.c (split_all_insns_noflow): Ditto.
11396 (rest_of_handle_peephole2): Ditto.
11397 (rest_of_handle_split_all_insns): Ditto.
11398 * tree-eh.c (lower_eh_constructs): Ditto.
11399 * regmove.c (rest_of_handle_regmove): Ditto.
11400 (rest_of_handle_stack_adjustments): Ditto.
11401 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11402 * function.c (instantiate_virtual_regs): Ditto.
11403 (init_function_for_compilation): Ditto.
11404 (rest_of_handle_check_leaf_regs): Ditto.
11405 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11406 (rest_of_handle_gcse): Ditto.
11407 * ipa-type-escape.c (type_escape_execute): Ditto.
11408 * alias.c (rest_of_handle_cfg): Ditto.
11409 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11410 * profile.c (rest_of_handle_branch_prob): Ditto.
11411 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11412 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11413 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11414 * tree-dfa.c (find_referenced_vars): Ditto.
11415 * except.c (set_nothrow_function_flags): Ditto.
11416 (convert_to_eh_region_ranges): Ditto.
11417 (rest_of_handle_eh): Ditto.
11418 * emit-rtl.c (unshare_all_rtl): Ditto.
11419 (remove_unnecessary_notes): Ditto.
11420 * except.h (set_nothrow_function_flags): Ditto.
11421 (convert_to_eh_region_ranges): Ditto.
11422 * cfgexpand.c (tree_expand_cfg): Ditto.
11423 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11424 * tree-ssa-pre.c (do_pre): Ditto.
11425 (execute_fre): Ditto.
11426 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11427 (rest_of_handle_jump2): Ditto.
11428 * tree-sra.c (tree_sra): Ditto.
11429 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11430 (execute_mudflap_function_decls): Ditto.
11431 * tree-ssa-copy.c (do_copy_prop): Ditto.
11432 (do_store_copy_prop): Ditto.
11433 * ipa-prop.h (ipcp_driver): Ditto.
11434 * cfglayout.c (insn_locators_initialize): Ditto.
11435 * tree-ssa-forwprop.c
11436 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11437 * cfglayout.h (insn_locators_initialize): Ditto.
11438 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11439 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11440 (execute_late_warn_uninitialized): Ditto.
11441 * rtl.h (cleanup_barriers): Ditto.
11442 (split_all_insns_noflow): Ditto.
11443 (purge_line_number_notes): Ditto.
11444 (unshare_all_rtl): Ditto.
11445 (remove_unnecessary_notes): Ditto.
11446 (recompute_reg_usage): Ditto.
11447 (variable_tracking_main): Ditto.
11448 * integrate.c (emit_initial_value_sets): Ditto.
11449 * integrate.h (emit_initial_value_sets): Ditto.
11450 * tree-optimize.c (execute_free_datastructures): Ditto
11451 (execute_free_cfg_annotations): Ditto.
11452 (execute_fixup_cfg): Ditto.
11453 (execute_cleanup_cfg_pre_ipa): Ditto.
11454 (execute_cleanup_cfg_post_optimizing): Ditto.
11455 (execute_init_datastructures): Ditto.
11456 * tree-object-size.c (compute_object_sizes): Ditto.
11457 * combine.c (rest_of_handle_combine): Ditto.
11458 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11459 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11460 (rest_of_handle_reorder_blocks): Ditto.
11461 (rest_of_handle_partition_blocks): Ditto.
11462 * var-tracking.c (variable_tracking_main): Ditto.
11463 * tree-profile.c (tree_profiling): Ditto.
11464 * tree-vect-generic.c (expand_vector_operations): Ditto.
11465 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11466 * sched-rgn.c (rest_of_handle_sched): Ditto.
11467 (rest_of_handle_sched2): Ditto.
11468 * basic-block.h (free_bb_insn): Ditto.
11469 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11470 * tree-cfg.c (execute_build_cfg): Ditto.
11471 (remove_useless_stmts): Ditto.
11472 (split_critical_edges): Ditto.
11473 (execute_warn_function_return): Ditto.
11474 (execute_warn_function_noreturn): Ditto.
11475 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11476 * cfgrtl.c (free_bb_for_insn): Ditto.
11477 * passes.c (execute_one_pass): Run additional
11478 todos returned by execute function.
11479 * tree-pass.h (struct tree_opt_pass): Make execute
11482 2006-03-02 Richard Guenther <rguenther@suse.de>
11484 * tree-ssa-alias.c (find_used_portions): Consider taking
11485 the address as making the variable not write-only.
11487 2006-03-02 Nick Clifton <nickc@redhat.com>
11489 * config.gcc (default_use_cxa_atexit): Extend the description of
11490 this configure variable. Set its default value to "yes" for
11491 Linux, NetBSD and ELF targets on the assumption that they will
11492 use C libraries with the __cxa_atexit function.
11494 2006-03-02 Ben Elliston <bje@au.ibm.com>
11496 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11497 parameter as unused to suppress a build warning.
11499 2006-03-02 Ben Elliston <bje@au.ibm.com>
11501 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11504 2006-03-01 Roger Sayle <roger@eyesopen.com>
11507 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11508 declared name, the weak reference name, and the typeof name.
11509 (__gthrw): Avoid expanding the declared name suffix.
11510 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11512 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11514 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11516 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11517 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11518 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11519 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11520 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11521 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11522 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11523 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11524 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11525 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11526 (DW_END_default, DW_END_big, DW_END_little): New.
11527 (DW_END_lo_user, DW_END_hi_user): Define.
11528 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11529 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11530 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11533 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11535 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11537 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11539 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11541 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11543 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11544 to 'symbol_mem_tag'.
11546 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11549 2006-03-01 Roger Sayle <roger@eyesopen.com>
11551 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11553 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11556 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11557 MACHO_DYNAMIC_NO_PIC_P.
11558 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11560 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11563 * config/darwin-protos.h (darwin_asm_output_anchor):
11565 * config/darwin-sections.def (cstring_section):
11566 Add SECTION_MERGE to the flags.
11567 (literal4_section): Likewise.
11568 (literal8_section): Likewise.
11569 (objc_selector_refs_section): Likewise.
11570 (objc_cls_refs_section): Likewise.
11571 * config/darwin.c (darwin_asm_output_anchor): New
11573 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11575 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11577 Fix PR tree-optimization/26443
11578 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11579 to todo and PROP_tmt_usage to properties_destroyed.
11580 * tree-ssa-ccp.c (pass_ccp): Ditto.
11581 (pass_store_ccp): Ditto.
11582 * tree-ssa-dom.c (pass_dominator): Ditto.
11584 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11586 * tree-ssa-operands.c: Cleanup whitespace.
11587 (get_asm_expr_operands): Move before first invocation.
11588 (get_indirect_ref_operands): Likewise.
11589 (get_tmr_operands): Likewise.
11590 (get_call_expr_operands): Likewise.
11591 (append_def): Likewise.
11592 (append_use): Likewise.
11593 (append_v_may_def): Likewise.
11594 (append_v_must_def): Likewise.
11595 (add_call_clobber_ops): Likewise.
11596 (add_call_read_ops): Likewise.
11597 (add_stmt_operand): Likewise.
11598 (add_virtual_operand): Likewise.
11599 (build_ssa_operands): Likewise.
11601 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11603 PR middle-end/26022
11605 PR middle-end/24437
11606 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11607 with a call expr to ...
11608 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11610 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11612 * tree-vrp.c (extract_range_from_assert): Remove special
11613 handling for types with super-types.
11615 2006-03-01 Ben Elliston <bje@au.ibm.com>
11617 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11618 and powerpc64-*-linux* configurations.
11619 * config/t-dfprules: New file.
11621 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11622 Compile dfp-bit.c from the source directory using -DWIDTH and
11623 $DFP_CFLAGS to control the compilation of that file, rather than
11624 generating width-specific versions in the build directory.
11625 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11626 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11628 2006-02-28 Zack Weinberg <zackw@panix.com>
11630 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11633 2006-02-28 Eric Christopher <echristo@apple.com>
11635 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11636 Set up IN_LIBGCC definition of TARGET_64BIT.
11637 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11639 2006-02-28 Roger Sayle <roger@eyesopen.com>
11641 PR middle-end/14752
11642 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11643 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11644 cases via the construction of "expr != 0".
11646 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11648 * alias.c (alias_invariant, alias_invariant_size): Remove.
11649 (record_base_value): Remove.
11650 (memrefs_conflict_p): Don't look at alias_invariant.
11651 (end_alias_analysis): Don't free it.
11652 * alias.h (record_base_value): Remove prototype.
11654 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11655 Adam Nemet <anemet@caviumnetworks.com>
11657 * rtl.h (truncated_to_mode): Declare it.
11658 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11659 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11660 (RTL_HOOKS_INITIALIZER): Include it.
11661 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11662 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11663 reg_truncated_to_mode.
11664 * rtlanal.c (truncated_to_mode): Define it.
11665 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11667 2006-02-28 Jeff Law <law@redhat.com>
11669 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11670 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11671 the range allowed by TYPE_PRECISION.
11673 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11675 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11677 PR tree-optimization/26419
11678 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11681 2006-02-27 Zack Weinberg <zackw@panix.com>
11683 * doc/md.texi: Fix typo in previous change.
11685 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11689 2006-02-27 Zack Weinberg <zackw@panix.com>
11691 * rtl.def (define_constraint, define_register_constraint)
11692 (define_memory_constraint, define_address_constraint): New MD forms.
11693 * gensupport.c (process_rtx): Put define_constraint etc on the
11695 * genpreds.c (process_define_predicate): Adjust comment. Validate
11696 the name, and call validate_exp to validate the expression.
11697 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11698 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11699 all callers changed.
11700 (validate_exp, needs_variable, struct constraint_data)
11701 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11702 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11703 (const_dbl_constraints, constraint_max_namelen)
11704 (have_register_constraints, have_memory_constraints)
11705 (have_address_constraints, have_address_constraints)
11706 (have_extra_constraints, have_const_int_constraints)
11707 (have_const_dbl_constraints, mangle, add_constraint)
11708 (process_define_constraint, process_define_register_constraint)
11709 (write_enum_constraint_num, write_lookup_constraint)
11710 (write_insn_constraint_len, write_regclass_for_constraint)
11711 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11712 (write_insn_extra_memory_constraint)
11713 (write_insn_extra_address_constraint)
11714 (write_satisfies_constraint_fns): New.
11715 (write_tm_preds_h): If we have new-style constraint definitions,
11716 prototype the functions generated from them, and define the
11717 old constraint interface (still used by generic code) in terms of
11719 (write_insn_preds_c): If we have new-style constraint definitions,
11720 generate all relevant functions from those definitions.
11721 (main): Handle define_constraint etc.
11722 * genoutput.c (struct constraint_data, indep_constraints)
11723 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11724 (mdep_constraint_len): New data structures and functions, defined
11725 #ifdef USE_MD_CONSTRAINTS.
11726 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11727 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11728 use new logic to validate operand constraints against constraint
11730 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11732 * defaults.h: If none of the old-style constraint macros are
11733 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11734 old-style macros; and poison REG_CLASS_FROM_LETTER,
11735 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11737 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11738 * doc/md.texi: Document new constraint-definition mechanism and the
11739 C interface it provides. Remove references to old mechanism
11740 elsewhere in the document.
11741 (Machine Constraints): Use pathnames relative to gcc directory,
11742 i.e. config/ARCH/FILE. Change i386 section to refer to
11743 config/i386/predicates.md; update that section to match docstrings.
11744 * doc/tm.texi: Move all documentation of the old constraint-
11745 definition macros to their own section, clearly mark as obsolete.
11747 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11748 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11750 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11751 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11752 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11753 constraint strings.
11754 (splits and peepholes): Use satisfies_constraint_*.
11755 * config/i386/i386.c (memory_address_length)
11756 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11758 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11760 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11761 scalar operation to be put back into the loop.
11763 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11766 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11767 (extract_cie_info): Handle S flag in augmentation string.
11768 (execute_cfa_program): If context->signal_frame, execute also
11769 fs->pc == context->ra instructions.
11770 (uw_frame_state_for): If context->signal_frame, don't subtract one
11771 from context->ra to find FDE.
11772 (uw_update_context_1): Set context->signal_frame to
11774 (_Unwind_GetIPInfo): New function.
11775 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11776 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11778 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11779 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11780 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11781 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11782 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11783 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11784 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11785 x86_64_fallback_frame_state): Set fs->signal_frame.
11786 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11787 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11788 (frob_update_context): Likewise. Workaround missing S flag in
11789 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11790 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11791 Remove the psw_addr + 1 hack.
11793 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11795 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11796 with aggregates here.
11797 (find_func_aliases): Remove code for &<aggregate> from here.
11799 2006-02-26 Roger Sayle <roger@eyesopen.com>
11801 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11802 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11803 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11804 as (X & C) ne/eq 0.
11806 2006-02-26 Roger Sayle <roger@eyesopen.com>
11808 PR middle-end/19983
11809 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11811 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11813 * opts.c (decode_options): Do not handle flag_strength_reduce.
11814 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11815 and OPT_fstrength_reduce.
11816 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11817 flag_prefetch_loop_arrays for being nonzero.
11818 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11820 (fprefetch-loop-arrays-rtl): Removed.
11821 (flag_prefetch_loop_arrays): Do not specify the value.
11823 * doc/passes.texi: Update documentation of loop optimizer
11825 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11826 -frerun-loop-opt): Remove.
11828 2006-02-26 Richard Guenther <rguenther@suse.de>
11830 PR tree-optimization/26421
11831 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11832 in function calls that are ADDR_EXPRs as using the whole structure.
11834 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11836 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11837 * tree-pass.h (pass_loop_optimize): Remove.
11838 * passes.c (pass_loop_optimize): Never run it.
11839 * toplev.c (backend_init): Don't call init_loop.
11840 * opts.c (flag_loop_optimize_set): Remove.
11841 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11842 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11843 the old RTL loop optimizer when profiling enabled.
11844 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11845 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11846 pre-headers for the sake of the old RTL loop optimizer.
11847 * Makefile.in: Remove all references to loop.o.
11849 * doc/invoke.texi: Remove all references to -floop-optimize
11850 and -frerun-loop-opt.
11852 2006-02-26 Zack Weinberg <zackw@panix.com>
11854 * doc/md.texi (Machine Constraints): Refer to all files with paths
11855 relative to gcc directory (i.e. config/CPU/file). Add missing
11856 @table @code ... @end table to M32C subsection.
11858 2006-02-26 Roger Sayle <roger@eyesopen.com>
11860 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11862 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11864 2006-02-26 Roger Sayle <roger@eyesopen.com>
11865 James A. Morrison <phython@gcc.gnu.org>
11867 PR middle-end/21137
11868 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11869 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11870 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11871 signedness of the shift operation.
11873 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11875 PR tree-optimization/26359
11876 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11878 2006-02-25 Roger Sayle <roger@eyesopen.com>
11880 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11881 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11882 as X == 0, and some symmetry related transformations.
11883 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11885 2006-02-25 Roger Sayle <roger@eyesopen.com>
11887 PR middle-end/23673
11888 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11889 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11890 symmetry related transformations. Fold (X^C1) == C2 as
11893 2006-02-25 Juergen Weigert <jw@suse.de>
11894 Richard Guenther <rguenther@suse.de>
11896 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11898 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11900 * combine.c (gen_lowpart_or_truncate): Call
11901 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11903 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11905 * doc/invoke.texi: Move -fopenmp description to "Options for
11907 Remove reference to -lgomp.
11909 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11911 * doc/install.texi: Require GNU tar version 1.14.
11913 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11915 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11916 * doc/invoke.texi (C++ Dialect Options): Document
11917 -fno-use-cxa-get-exception-ptr.
11918 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11919 * configure: Regenerate.
11920 * c.opt (fuse-cxa-get-exception-ptr): New.
11921 * c-opts.c (c_common_handle_option): Handle
11922 OPT_fuse_cxa_get_exception_ptr.
11923 * c-common.c (flag_use_cxa_atexit): Update documentation.
11924 (flag_use_cxa_get_exception_ptr): New.
11925 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11926 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11928 (C_COMMON_OVERRIDE_OPTIONS): New.
11930 2006-02-24 Roger Sayle <roger@eyesopen.com>
11932 PR middle-end/24952
11933 * combine.c (try_combine): Explicitly check whether GET_CODE is
11934 a SET or a CLOBBER, instead on checking that it isn't a USE.
11936 2006-02-24 Roger Sayle <roger@eyesopen.com>
11938 * fold-const.c (fold_comparison): New subroutine of fold_binary
11939 containing transformations common to both the equality and
11940 ordering relational operators, factored out of fold_binary.
11941 (fold_binary): Separate out the equality operators (EQ_EXPR
11942 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11943 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11944 transformations common to both.
11945 (fold_div_compare): Fix latent bugs in the previously unreachable
11946 LT_EXPR and GE_EXPR cases.
11948 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11950 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11951 decl libname for clog to __clog on AIX.
11953 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11955 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11958 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11959 output traceback table for thunks. Localise rs6000_stack_info call.
11961 2006-02-23 Roger Sayle <roger@eyesopen.com>
11962 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11964 * gthr-posix.h (__gthrw): Fix typo in comment.
11966 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11968 * doc/cpp.texi (Character sets): Document that we do support
11969 input files to be in any character set.
11971 2006-02-23 Jeff Law <law@redhat.com>
11973 * tree.h (PHI_ARG_NONZERO): Remove.
11974 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11975 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11976 node to the new node.
11978 PR tree-optimization/26425
11979 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11980 min/max, then assume its varying.
11982 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11984 PR rtl-optimization/26316
11985 * rtlanal.c (enum may_trap_p_flags): New.
11986 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11987 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11988 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11989 (may_trap_after_code_motion_p): New function.
11990 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11991 (find_invariant_insn): Use may_trap_after_code_motion_p.
11992 * rtl.h (may_trap_after_code_motion_p): Declare.
11994 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11996 * emit-rtl.c (immed_double_const): Cleanup.
11998 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12000 Fix PR tree-optimization/26376
12001 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12004 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12006 PR middle-end/26412
12007 * gimplify.c (omp_add_variable): Guard variable size decl test with
12008 DECL_SIZE (decl) check.
12010 2006-02-23 Richard Guenther <rguenther@suse.de>
12012 PR middle-end/26439
12013 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12014 like aggregate types.
12016 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12018 * configure.ac: Add --with{,out}-long-double-128 configure option.
12019 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12020 * configure: Rebuilt.
12021 * config.in: Rebuilt.
12022 * doc/install.texi (Options specification): Document
12023 --with-long-double-128.
12025 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12026 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12027 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12028 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12030 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12032 * config/s390/s390.c (override_options): Handle
12033 TARGET_DEFAULT_LONG_DOUBLE_128.
12035 * config/alpha/alpha.c (override_options): Handle
12036 TARGET_DEFAULT_LONG_DOUBLE_128.
12038 * config/sparc/sparc.c (sparc_override_options): Handle
12039 TARGET_DEFAULT_LONG_DOUBLE_128.
12041 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12043 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12044 (real-install-headers-tar, real-install-headers-cpio)
12045 (real-install-headers-cp): New targets.
12047 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12049 * tree.h (variable_section): Delete.
12050 * varasm.c (variable_section): Delete.
12052 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12054 * install.texi: Add notes on install.texi2html.
12055 (Building in parallel): Do not use footnotes.
12057 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12060 * doc/install.texi (Configuration): Document --disable-libgomp.
12062 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12064 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12066 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12068 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12069 (vec_extractv2df_0_sse): New.
12071 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12073 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12074 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12075 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12076 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12077 to the result of the expression.
12078 (def_cfa_1): Adjust.
12079 (frame_pointer_cfa_offset): Rename to...
12080 (frame_pointer_fb_offset): ... this. Adjust all uses.
12081 (convert_cfa_to_loc_list): Rename to...
12082 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12083 Pass it on to build_cfa_loc.
12084 (compute_frame_pointer_to_cfa_displacement): Rename to...
12085 (compute_frame_pointer_to_fb_displacement): ... this. New
12086 offset parameter. Use it in computation.
12087 (gen_subprogram_die): Compute cfa_fb_offset with the new
12088 macro, and use it to compute the fb loc list and the
12091 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12093 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12094 replaced with register_operand.
12095 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12096 non-DREG is expensive.
12097 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12098 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12101 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12103 * doc/install.texi2html: Use set -e.
12105 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12107 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12108 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12109 * doc/invoke.texi (-fshared-data): Delete.
12110 * common.opt (fshared-data): Delete.
12111 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12112 (assemble_static_space): Remove #if 0 code.
12113 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12114 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12115 * config/cris/cris.h: Remove FIXME.
12117 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12119 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12122 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12124 PR middle-end/26379
12125 * combine.c (simplify_shift_const_1): Disable nested shifts
12126 optimization for vector shifts.
12128 2006-02-20 Roger Sayle <roger@eyesopen.com>
12130 PR tree-optimization/26361
12131 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12132 of unsigned integer types.
12134 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12136 * tree-chrec.c (eq_evolutions_p): New.
12137 * tree-chrec.h (eq_evolutions_p): Declared.
12138 * tree-data-ref.c: Fix formatting.
12139 (datadep_stats, dependence_stats): New.
12141 (print_direction_vector): New.
12142 (dump_data_dependence_relation): Use print_direction_vector.
12143 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12144 (compute_subscript_distance): Static.
12145 (initialize_data_dependence_relation): Static. Get the number
12146 of loops surrounding the references from the callers, and initialize
12147 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12148 base_object_differ_p analyzers.
12149 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12150 compute_overlap_steps_for_affine_1_2,
12151 analyze_subscript_affine_affine): Count the classified dependences.
12152 Print a message when a test failed.
12153 (can_use_analyze_subscript_affine_affine): New.
12154 (analyze_siv_subscript): Compute the data dependences on symbolic
12155 scevs that verify can_use_analyze_subscript_affine_affine.
12156 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12157 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12158 Handle symbolic scevs.
12159 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12161 (subscript_dependence_tester): Moved...
12162 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12163 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12164 DDR_SIZE_VECT instead of getting it in parameter.
12165 (subscript_dependence_tester): ... here. Take as a parameter
12166 loop_nest_depth. Call build_classic_dist_vector and
12167 build_classic_dir_vector.
12168 (compute_affine_dependence): Update subscript_dependence_tester
12169 parameters. Update datadep_stats counters. Call
12170 compute_subscript_distance.
12171 (compute_self_dependence): Save the dist and dir vectors. Call
12172 compute_subscript_distance.
12173 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12174 (compute_all_dependences): Reorder parameters as they were before
12175 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12176 compute_subscript_distance. Update the use of
12177 compute_affine_dependence and initialize_data_dependence_relation.
12178 (find_data_references_in_loop): Handle COMPONENT_REF.
12179 (compute_data_dependences_for_loop): Initialize dependence_stats.
12180 Don't call build_classic_dist_vector and build_classic_dir_vector.
12181 Update the parameters of initialize_data_dependence_relation and
12182 compute_all_dependences. Print the statistics from datadep_stats.
12183 (analyze_all_data_dependences): Static. Not used until the pass for
12184 checking the data dependences is contributed.
12185 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12186 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12187 (initialize_data_dependence_relation, compute_affine_dependence,
12188 analyze_all_data_dependences, compute_subscript_distance): Removed.
12189 (print_direction_vector): New.
12190 * lambda.h (gcd): ... here.
12191 (lambda_vector_gcd): Moved here from gcd_vector.
12192 * lambda-code.c (gcd, gcd_vector): Removed.
12193 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12194 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12196 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12198 * ipa-type-escape.c: Tidy some comments and white space.
12199 * tree-ssa-operands.c: Likewise.
12201 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12204 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12205 (dump_decl_name): Do not walk the decl tree chains.
12206 * tree-pass.h (TDF_CHAIN): Remove.
12208 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12210 * Makefile.in (C): Remove
12212 (.PHONY): Remove C and PROTO
12214 2006-02-20 Roger Sayle <roger@eyesopen.com>
12216 PR middle-end/26236
12217 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12218 deprecated CHAR_TYPE tree code.
12220 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12222 * configure.ac (target_list): Add install-info, dvi, html.
12223 * configure: Regenerate.
12225 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12226 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12227 treelang/Make-lang.in: Do not use double-colon rules.
12229 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12231 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12232 (TMT_USED_ALONE): New macro.
12233 * tree-pass.h (PROP_tmt_usage): New property.
12234 (TODO_update_tmt_usage): New todo.
12235 * tree-ssa-alias.c (updating_used_alone): New variable.
12236 (recalculate_used_alone): New function.
12237 (compute_may_aliases): Set updating_used_alone, call
12238 recalculate_used_alone.
12239 * tree-sra.c (pass_sra): Note that this pass destroys
12240 PROP_tmt_usage, and add TODO_update_tmt_usage.
12241 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12242 * tree-flow.h (updating_used_alone): Prototype.
12243 (recalculate_used_alone): Ditto.
12244 * passes.c (execute_todo): Add code to set updating_used_alone,
12245 and call recalculate.
12246 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12247 for clobber if used alone, and add assert to verify used_alone
12250 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12252 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12253 for non tls symbols added.
12254 (legitimize_address): Do nothing for PLUS expressions if one of the
12255 addends is a tls symbol reference.
12257 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12261 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12263 * Makefile.in (BOOTSTRAPPING): New.
12264 (quickstrap): New definition if BOOTSTRAPPING=yes.
12266 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12267 * configure.ac: Substitute all_selected_languages with the languages
12268 that were configured. For all the other variables except
12269 lang_specs_files, include all the languages in the tree.
12270 * configure: Regenerate.
12272 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12273 if there is one. Run the commands to run fixincludes in the same
12276 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12277 * doc/install.texi: Document exact conventions for searching target tools.
12278 Document --with-build-time-tools. Document toplevel bootstrap. Document
12279 something more about building an Ada cross-compiler. Don't list GNU Make
12280 requirements which affect all platforms.
12282 2006-02-19 Roger Sayle <roger@eyesopen.com>
12284 PR middle-end/19543
12285 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12286 only equivalent if the have both the same mode and precision.
12288 2006-02-20 Ben Elliston <bje@au.ibm.com>
12290 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12292 2006-02-19 Roger Sayle <roger@eyesopen.com>
12293 Steven Bosscher <stevenb.gcc@gmail.com>
12295 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12296 constant pool references to identify stack mode constants.
12297 * rtlanal.c (constant_pool_constant_p): New predicate to check
12298 whether operand is a floating point constant in the pool.
12299 * rtl.h (constant_pool_constant_p): Prototype here.
12300 * loop.c (scan_loop): Avoid hoisting constants from the constant
12301 pool on STACK_REGS targets.
12302 (load_mems): Likewise.
12303 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12304 loads into x87 registers expensive in terms of register pressure.
12306 2006-02-19 Roger Sayle <roger@eyesopen.com>
12308 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12309 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12311 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12313 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12314 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12316 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12318 * doc/invoke.texi: Document -fipa-pta.
12319 * common.opt: Add ipa-pta option.
12320 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12321 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12322 (do_ds_constraint): Ditto.
12323 (get_constraint_for): Only add to referenced_vars if
12324 referenced_vars exists.
12325 (insert_into_field_list): Rewrite to do this unsorted.
12326 (insert_into_field_list_sorted): Rename old insert_into_field_list
12328 (create_function_info_for): Use insert_into_field_list_sorted.
12329 (create_variable_info_for): Rewrite so it uses unsorted version,
12330 since the field list is sorted.
12331 (intra_create_variable_infos): Only add to referenced_vars if
12332 referenced_vars exists.
12333 (ipa_pta_execute): Init heapvars, and delete when done.
12334 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12336 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12338 * doc/install.texi: Add missing `@samp'.
12340 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12342 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12345 2006-02-18 Mark Wielaard <mark@klomp.org>
12347 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12348 who added new 4.1 features, bug fixes and integration support.
12350 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12353 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12354 MEM for ABI_V4 pic.
12356 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12358 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12359 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12360 (copy_insn_1): Likewise. Don't copy each field individually.
12362 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12364 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12365 * rtl.c (rtx_size): Rename variable to...
12366 (rtx_code_size): ...this.
12367 (rtx_size): New function.
12368 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12369 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12371 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12372 * rtl.h (rtx_code_size): New variable.
12373 (rtx_size): Change from a variable to a function.
12374 (RTX_SIZE): Rename to...
12375 (RTX_CODE_SIZE): ...this.
12378 PR tree-optimization/17106
12379 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12380 (Anchored Addresses): New section.
12381 * doc/invoke.texi (-fsection-anchors): Document.
12382 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12383 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12384 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12385 * hooks.c (hook_bool_mode_rtx_false): New function.
12386 * hooks.h (hook_bool_mode_rtx_false): Declare.
12387 * gengtype.c (create_optional_field): New function.
12388 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12389 SYMBOL_REF_IN_BLOCK_P is true.
12390 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12391 (min_anchor_offset, max_anchor_offset): Likewise.
12392 (use_anchors_for_symbol_p): New hook.
12393 * toplev.c (compile_file): Call output_object_blocks.
12394 (target_supports_section_anchors_p): New function.
12395 (process_options): Check that -fsection-anchors is only used on
12396 targets that support it and when -funit-at-a-time is in effect.
12397 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12398 if the decl doesn't have one.
12399 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12400 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12401 of force_const_mem through use_anchored_address.
12402 (expand_expr_constant): New function.
12403 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12404 calling expand_expr for INDIRECT_REF.
12405 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12406 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12407 * expr.h (use_anchored_address): Declare.
12408 * loop-unroll.c: Don't declare rtx vectors here.
12409 * explow.c: Include output.h.
12410 (validize_mem): Call use_anchored_address.
12411 (use_anchored_address): New function.
12412 * common.opt (-fsection-anchors): New switch.
12413 * varasm.c (object_block_htab, anchor_labelno): New variables.
12414 (hash_section, object_block_entry_eq, object_block_entry_hash)
12415 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12416 (use_blocks_for_decl_p, change_symbol_section): New functions.
12417 (get_variable_section): New function, split out from assemble_variable.
12418 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12419 use_blocks_for_decl_p say so. Use change_symbol_section if the
12420 symbol has already been created.
12421 (assemble_variable_contents): New function, split out from...
12422 (assemble_variable): ...here. Don't output any code for
12423 block symbols; just pass them to place_block_symbol.
12424 Use get_variable_section and assemble_variable_contents.
12425 (get_constant_alignment, get_constant_section, get_constant_size): New
12426 functions, split from output_constant_def_contents.
12427 (build_constant_desc): Create a block symbol if use_object_blocks_p
12428 says so. Or into SYMBOL_REF_FLAGS.
12429 (assemble_constant_contents): New function, split from...
12430 (output_constant_def_contents): ...here. Don't output any code
12431 for block symbols; just pass them to place_section_symbol.
12432 Use get_constant_section and get_constant_alignment.
12433 (force_const_mem): Create a block symbol if use_object_blocks_p and
12434 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12435 (output_constant_pool_1): Add an explicit alignment argument.
12436 Don't switch sections here.
12437 (output_constant_pool): Adjust call to output_constant_pool_1.
12438 Switch sections here instead. Don't output anything for block symbols;
12439 just pass them to place_block_symbol.
12440 (init_varasm_once): Initialize object_block_htab.
12441 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12442 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12443 (place_block_symbol, get_section_anchor, output_object_block)
12444 (output_object_block_htab, output_object_blocks): New functions.
12445 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12446 (TARGET_ASM_OUT): Include it.
12447 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12448 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12449 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12450 (TARGET_INITIALIZER): Include them.
12451 * rtl.c (rtl_check_failed_block_symbol): New function.
12452 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12453 (block_symbol, object_block): New structures.
12454 (rtx_def): Add a block_symbol field to the union.
12455 (BLOCK_SYMBOL_CHECK): New macro.
12456 (rtl_check_failed_block_symbol): Declare.
12457 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12458 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12459 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12460 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12461 * output.h (output_section_symbols): Declare.
12462 (object_block): Name structure.
12463 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12464 (default_use_anchors_for_symbol_p): Declare.
12465 * Makefile.in (RTL_BASE_H): Add vec.h.
12466 (explow.o): Depend on output.h.
12467 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12468 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12469 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12470 (rs6000_use_blocks_for_constant_p): New function.
12472 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12474 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12476 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12479 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12482 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12484 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12488 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12490 PR middle-end/26334
12491 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12492 instead of DECL_REGISTER.
12494 2006-02-18 Olivier Hainque <hainque@adacore.com>
12497 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12499 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12502 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12503 * opth-gen.awk: Handle Var and InverseMask together.
12504 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12505 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12506 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12507 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12509 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12510 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12511 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12512 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12513 LINUX_DYNAMIC_LINKER): Define.
12514 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12515 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12517 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12518 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12519 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12520 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12521 (TARGET_C99_FUNCTIONS): Don't define.
12522 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12523 GLIBC_DYNAMIC_LINKER.
12524 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12525 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12526 GLIBC_DYNAMIC_LINKER64): Define.
12527 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12528 LINUX_DYNAMIC_LINKER64.
12529 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12530 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12531 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12532 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12533 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12534 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12535 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12536 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12537 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12538 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12539 and LINUX_DYNAMIC_LINKER32.
12540 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12541 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12542 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12543 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12544 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12546 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12547 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12548 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12549 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12550 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12551 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12552 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12553 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12554 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12555 LINUX_DYNAMIC_LINKER): Define.
12556 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12557 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12558 GLIBC_DYNAMIC_LINKER64): Define.
12559 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12560 LINUX_DYNAMIC_LINKER64.
12561 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12562 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12563 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12564 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12565 LINUX_DYNAMIC_LINKER): Define.
12566 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12567 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12568 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12569 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12570 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12571 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12572 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12573 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12574 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12575 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12576 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12577 * doc/invoke.texi (-muclibc): Remove caveat about supported
12580 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12582 * doc/cpp.texi (__TIMESTAMP__): Document.
12584 2006-02-17 Roger Sayle <roger@eyesopen.com>
12586 PR middle-end/25600
12587 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12588 C is one less than the width of X (and related transformations).
12589 * simplify-rtx.c (simplify_unary_operation_1): Transform
12590 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12591 depending on STORE_FLAG_VALUE, were C is one less then the
12594 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12596 Fix PR tree-optimization/26341
12597 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12598 about NAME_MEMORY_TAG's.
12600 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12603 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12604 with hardware float support, and software float support. Add fcpy
12605 alternative to hardware patterns. Add alternatives to copy between
12606 general and floating-point registers to the 32-bit pattern.
12607 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12608 secondary reload to load a QI or HI mode constant into a floating
12610 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12611 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12613 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12616 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12618 (load_macho_picbase_di): Likewise.
12620 2006-02-16 Jeff Law <law@redhat.com>
12622 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12623 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12624 (ssa_name_nonzero_p): Likewise.
12625 (get_value_range): Return NULL if VRP is not running.
12626 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12627 VRP routines do not discover a range.
12628 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12629 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12630 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12631 (tree_expr_nonnegative_p): Similarly.
12632 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12633 (restore_nonzero_vars_to_original_value): Remove.
12634 (unsafe_associative_fp_binop): Remove.
12635 (tree_ssa_dominator_optimize): Remove initialization and
12636 finalization of nonzero_vars and nonzero_vars_stack.
12637 (dom_opt_initialize_block): No longer push marker on
12638 nonzero_vars_stack.
12639 (dom_opt_finalize_block): No longer call
12640 restore_nonzero_vars_to_original_value.
12641 (record_equivalences_from_phis): No longer look for
12642 nonzero PHI arguments.
12643 (cprop_into_successor_phis): No longer propagate nonzero
12644 property into PHI arguments. Lose unused argument. Caller
12646 (record_equivalences_from_stmt): No longer record nonzero
12647 values for SSA_NAMEs.
12648 (lookup_avail_expr): No longer use nonzero_vars.
12650 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12651 for sizetype when sizetype is unsigned.
12653 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12655 PR rtl-optimization/25603
12656 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12657 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12658 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12659 with new meaning of SETS.
12661 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12666 * config/linux.opt: New file.
12667 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12668 LINUX_DYNAMIC_LINKER): Define.
12669 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12670 * config.gcc (*-*-linux*): Define extra_options.
12671 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12672 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12673 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12674 GLIBC_DYNAMIC_LINKER.
12675 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12676 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12677 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12678 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12679 * doc/invoke.texi (GNU/Linux Options): New section.
12681 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12683 * config/sparc/sparc.md (setjmp): Rewrite.
12684 (setjmp_32): Delete.
12685 (setjmp_64): Likewise.
12687 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12689 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12692 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12694 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12697 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12699 PR rtl-optimization/26296
12700 * Makefile.in (loop-invariant.c): Add except.h dependency.
12701 * loop-invariant.c: Include except.h.
12702 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12704 2005-02-16 Paul Brook <paul@codesourcery.com>
12706 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12709 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12711 PR rtl-optimization/25636
12712 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12713 when deciding whether an insn is an initializing insn.
12715 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12717 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12718 (tree_code_size): Ditto.
12719 * tree.h (struct tree_memory_tag): Remove parent_var.
12720 (struct tree_struct_field_tag): New.
12723 (union tree_node): Add sft member.
12724 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12726 (create_sft): Add size and offset argument, set SFT_OFFSET and
12728 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12729 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12730 * tree-flow-inline.h (get_subvar_at): Update for
12731 SFT_OFFSET/SFT_SIZE.
12732 (var_can_have_subvars): Ditto.
12733 (overlap_subvar): Ditto.
12734 * print-tree.c (print_node): Print out interesting things for
12736 * tree-flow.h (struct subvar): Remove offset and size members.
12737 * tree-ssa-operands.c (get_expr_operands): Update for
12738 get_indirect_ref_operands changes.
12739 (get_indirect_ref_operands): Call add_virtual_operand instead of
12740 add_stmt_operand. Only recurse on base var if requested.
12741 (access_can_touch_variable): New function.
12742 (add_stmt_operand): Split virtual operand handling into ...
12743 (add_virtual_operand): Here. Add offset, size, and for_clobber
12744 arguments. Prune alias sets.
12745 (add_call_clobber_ops): Call add_virtual_operand.
12747 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12749 PR middle-end/26300
12750 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12752 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12753 than TREE_CODE as index into omp_clause_num_ops array.
12755 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12757 PR rtl-optimization/26184
12758 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12760 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12761 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12762 must_precede, must_follow and tobe_scheduled.
12765 * opts.c (common_handle_option): Free new_option pointer.
12766 * df-core.c (df_analyze): Free postorder pointer.
12768 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12770 * Makefile.in: Fix the examples about the use of stamps
12772 2006-02-15 Michael Matz <matz@suse.de>
12774 PR middle-end/22275
12776 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12777 influenced by maximum_field_alignment or DECL_PACKED.
12778 (update_alignment_for_field): Ditto.
12779 (place_field): Ditto.
12780 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12783 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12785 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12786 (debug_flow_info): Pass it.
12787 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12788 * bb-reorder.c (reorder_basic_blocks): Likewise.
12789 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12790 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12791 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12792 * gcse.c (gcse_main, bypass_jumps): Likewise.
12793 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12794 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12795 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12796 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12797 * rtl.h (dump_flow_info): Adjust prototype.
12798 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12799 * var-tracking.c (variable_tracking_main): Likewise.
12800 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12801 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12804 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12806 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12809 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12811 PR tree-optimization/26209
12812 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12813 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12815 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12817 2006-02-14 Roger Sayle <roger@eyesopen.com>
12819 PR middle-end/23670
12820 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12821 (X,Y) and the corresponding symmetry related transformations.
12822 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12823 (X,Y) and its symmetry related transformations.
12825 2006-02-14 Roger Sayle <roger@eyesopen.com>
12827 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12830 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12832 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12834 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12837 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12838 support COMDAT group.
12839 * configure: Regenerate.
12841 2006-02-14 Roger Sayle <roger@eyesopen.com>
12843 PR middle-end/26279
12844 PR middle-end/26280
12845 PR middle-end/26283
12846 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12848 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12850 Fix PR tree-optimization/26260
12852 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12854 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12855 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12856 * tree-ssa-structalias.c (create_variable_info_for): Use
12857 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12859 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12861 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12863 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12864 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12865 of the ending condition.
12866 * tree-ssa-loop-manip.c: Include params.h.
12867 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12868 tree_unroll_loop): New functions.
12869 * tree-pass.h (pass_loop_prefetch): Declare.
12870 * loop.c (rest_of_handle_loop_optimize): Test for
12871 -fprefetch-loop-arrays-rtl.
12872 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12873 * timevar.def (TV_TREE_PREFETCH): New timevar.
12874 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12875 pass_loop_prefetch): New.
12876 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12877 (cleanup_tree_cfg_loop): Call scev_reset.
12878 * common.opt (fprefetch-loop-arrays-rtl): Add.
12879 * tree-ssa-loop-prefetch.c: New file.
12880 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12881 (new_temp_expr_table): Initialize expr_vars.
12882 (free_temp_expr_table): Cleanup expr_vars.
12883 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12884 expressions from being merged into one.
12885 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12886 (struct tree_niter_desc): Add control, bound and cmp fields.
12887 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12889 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12890 (tree-cfgcleanup.o): Add SCEV_H dependency.
12891 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12892 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12894 2006-02-14 Richard Guenther <rguenther@suse.de>
12896 PR tree-optimization/26258
12897 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12898 in PHI argument processing.
12900 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12902 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12903 new expression in the requested machine mode.
12905 2006-02-13 Roger Sayle <roger@eyesopen.com>
12907 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12908 directly, instead let do_compare_rtx_and_jump handle this for us.
12909 * expr.c (expand_expr_real_1): Likewise.
12910 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12911 before do_jump_by_parts_greater.
12912 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12913 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12915 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12917 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12919 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12921 PR rtl-optimization/26235
12922 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12923 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12926 2006-02-13 Jeff Law <law@redhat.com>
12928 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12931 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12933 PR middle-end/26092
12934 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12935 twice if decl is a builtin. When trying again, call get_callee_fndecl
12936 first to verify it is still a builtin.
12938 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12940 * dwarf2out.c (base_type_die): Don't add AT_name here.
12941 (subrange_type_die): Don't add AT_name here.
12942 (modified_type_die): Rearrange code flow. Do add AT_name here.
12944 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12946 PR rtl-optimization/26247
12947 PR rtl-optimization/26248
12948 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12950 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12952 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12953 * config/fixtfdi.c: Likewise.
12954 * config/fixunstfdi.c: Likewise.
12955 * config/floatditf.c: Likewise.
12957 2006-02-13 Roger Sayle <roger@eyesopen.com>
12959 PR middle-end/24427
12960 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12961 into (X,C2) if C1 is a subset of the bits of C2. Transform
12962 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12964 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12966 2006-02-13 Josh Conner <jconner@apple.com>
12969 * varasm.c (function_section): Check for section name before
12970 calling select_section on targets that define
12971 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12972 unlikely_text_section instead of hot_function_section if
12973 first_function_block_is_cold.
12975 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12977 PR middle-end/25335
12978 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12980 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12982 PR rtl-optimization/26222
12983 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12984 after tree->rtl expansion.
12985 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12986 before passing it to emit_move_insn.
12988 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12990 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12992 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12993 Clarify documentation.
12994 * c-common.h (warn_write_strings): Remove.
12995 * c-common.c (warn_write_strings): Likewise.
12996 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12999 2006-02-12 Roger Sayle <roger@eyesopen.com>
13001 PR middle-end/25724
13002 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13003 (do_jump_parts_zero_rtx): New function renamed from
13004 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13005 (do_jump_parts_equality_rtx): New function split out from
13006 do_jump_parts_equality. Old implementation renamed as above.
13007 Call do_jump_parts_zero_rtx if either operand is zero.
13008 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13009 do all of the heavy lifting.
13010 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13011 calling either do_jump_by_parts_greater_rtx or
13012 do_jump_by_parts_equality_rtx.
13013 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13014 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13015 moved to do_compare_rtx_and_jump, call it directly.
13016 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13017 mode argument. Call do_compare_rtx_and_jump.
13018 (emit_case_nodes): Update calls to do_jump_if_equal.
13020 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13022 PR rtl-optimization/26225
13023 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13025 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13027 PR rtl-optimization/26232
13028 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13030 2006-02-11 Jason Merrill <jason@redhat.com>
13033 * tree-inline.c (declare_return_variable): Just don't use the
13034 modify target if it's a gimple complex reg and the return slot
13037 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13039 * doc/contrib.texi: Update my entry.
13041 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13043 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13045 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13047 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13050 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13052 * doc/invoke.texi (-floop-optimize2): Removed.
13053 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13054 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13055 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13056 * common.opt (floop-optimize2): Removed.
13057 (fmove-loop-invariants): Enabled by default.
13059 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13061 * tree-if-conv.c (combine_blocks): Free the result of
13062 get_loop_exit_edges.
13064 2006-02-10 Jeff Law <law@redhat.com>
13066 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13068 PR tree-optimization/26213
13069 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13070 loop trying to follow SSA_NAME_VALUE chains.
13072 2006-02-10 Richard Guenther <rguenther@suse.de>
13074 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13075 deal with structures that end in implicitly variable sized arrays.
13077 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13079 PR rtl-optimization/24762
13080 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13083 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13085 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13086 (struct ivopts_data): Add regs_used field.
13087 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13088 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13089 instead of loop_data->regs_used;
13090 (free_loop_data): Do not free aux fields for loops.
13091 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13092 and tree_ssa_iv_optimize_finalize.
13094 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13096 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13098 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13101 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13102 computing the effective result type.
13104 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13106 PR inline-asm/16194
13107 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13108 (tree_overlaps_hard_reg_set): Declare.
13109 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13110 type and signature to match function type expected by walk_tree.
13111 (tree_overlaps_hard_reg_set): New function.
13112 (decl_conflicts_with_clobbers_p): Rename to:
13113 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13114 Use tree_overlaps_hard_reg_set. Changed caller.
13115 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13116 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13117 * cris.c (cris_md_asm_clobbers): Likewise.
13119 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13121 * reload1.c (emit_input_reload_insns): Delete code that tries to
13122 inherit using find_equiv_reg.
13124 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13126 * c-common.h (flag_const_strings): Don't declare.
13127 * c-common.c (flag_const_strings): Remove.
13128 * c.opt (fconst_strings): Remove.
13129 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13130 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13131 (c_common_init_options): Don't set flag_const_strings.
13132 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13134 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13136 * arm.md (tlobits_cbranch): New pattern.
13137 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13138 testing a single bit.
13140 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13143 * tree-ssa-pre.c (create_component_ref_by_pieces):
13144 Handle RETURN_DECL like VAR_DECL.
13146 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13148 PR middle-end/26134
13149 * fold-const.c (fold_indirect_ref_1): Fold
13150 "*(foo *)&complexfoo" to "__real__ complexfoo"
13151 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13153 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13155 * tree-flow-inline.h (var_can_have_subvars):
13156 Volatile variables should not have subvariables.
13158 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13161 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13162 multiplying unsigned values.
13165 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13167 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13169 2006-02-08 Jason Merrill <jason@redhat.com>
13172 * tree.def: Elaborate on difference from MODIFY_EXPR.
13173 * doc/c-tree.texi (INIT_EXPR): Likewise.
13174 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13175 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13176 (gimplify_target_expr): Likewise.
13177 (gimplify_cond_expr): Remove target handling.
13178 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13179 (gimplify_expr): Clobber it here.
13180 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13181 Do return slot optimization if we have an INIT_EXPR.
13184 * tree-inline.c (declare_return_variable): Also clear
13185 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13188 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13190 PR middle-end/22439
13191 * gimplify.c (gimplify_one_sizepos): Fix typo.
13193 2006-02-08 Jeff Law <law@redhat.com>
13195 PR tree-optimization/21417
13196 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13197 across a backedge if the control statement at the end of the
13198 block is data dependent on other statements in the same block.
13199 (record_temporary_equivalences_from_stmts): Remove over-conservative
13200 test for threading across backedges.
13202 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13203 control statement, handle all three special cases in the same
13204 manner as they all have the same desired solution. No longer
13205 special case edge flag updating when the post dominator is
13208 2006-02-08 Roger Sayle <roger@eyesopen.com>
13210 * tree.def (CHAR_TYPE): Remove.
13211 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13212 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13213 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13214 (gen_string_type_die): Delete unreachable function.
13216 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13217 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13218 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13219 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13220 * builtins.c (type_to_class): Likewise.
13221 * fold-const.c (fold_convert, build_range_check,
13222 merge_ranges): Likewise.
13223 * expr.c (count_type_elements): Likewise.
13224 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13225 * stor-layout.c (layout_type): Likewise.
13226 * ipa-type-escape.c (type_to_consider): Likewise.
13227 * gimplify.c (omp_firstprivatize_type_sizes,
13228 gimplify_type_sizes): Likewise.
13229 * explow.c (promote_mode): Likewise.
13230 * tree-sra.c (is_sra_scalar_type): Likewise.
13231 * varasm.c (output_constant): Likewise.
13232 * tree-inline.c (remap_type_1): Likewise.
13233 * convert.c (convert_to_pointer, convert_to_real,
13234 convert_to_integer, convert_to_complex): Likewise.
13236 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13238 * df-scan.c (df_def_record_1): A set destination may
13239 be a parallel regardless of mode.
13241 2006-02-08 Roger Sayle <roger@eyesopen.com>
13244 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13245 * config/mips/_tilib.c: Remove.
13246 * config/fixtfdi.c: New libgcc source file.
13247 * config/fixunstfdi.c: New source file.
13248 * config/floatditf.c: New source file.
13249 * config/floatunditf.c: New souce file.
13250 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13251 files above instead of config/mips/_tilib.c.
13252 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13254 2006-02-08 Jeff Law <law@redhat.com>
13256 PR tree-optimization/26169
13257 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13260 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13262 * df.h (DF_REG_SIZE): Return the length of the initialized
13265 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13267 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13268 __muldf3): Return a correctly signed zero.
13270 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13272 * passes.c (register_one_dump_file): Accept the current properties
13273 instead of pass number. Adjust call to dump_register. Remove
13275 (register_dump_files): Now a wrapper around...
13276 (register_dump_files_1): ... this one. Do not modify the pass
13278 (next_pass_1): Cosmetic fix.
13279 (execute_todo): Keep second parameter only. Use curr_properties
13280 instead of fetching it from the pass structure. Check and set
13282 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13283 instead of fetching it from the pass structure. Fix calls to
13284 execute_todo. Update curr_properties and initialize .vcg RTL dump
13285 after running the pass. Reset last_verified.
13286 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13288 (FIRST_AUTO_NUMBERED_DUMP): New.
13289 (dump_register): Remove "num" parameter, assign it within the
13291 (get_dump_file_name): Modify template for dumps.
13292 * tree-dump.h (dump_register): Adjust prototype.
13293 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13294 (PROP_trees): Add PROP_gimple_lomp.
13295 (TODO_set_props): New.
13296 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13297 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13298 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13300 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13302 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13303 (sparc64-*-linux*): Likewise.
13304 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13305 * config/sparc/t-linux: New file.
13306 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13307 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13308 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13309 -m32 -mlong-double-128.
13311 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13312 * config/alpha/t-linux: New file.
13313 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13315 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13316 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13317 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13318 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13319 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13320 (CPP_ARCH32_SPEC): Remove.
13322 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13324 PR tree-optimization/26145
13325 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13328 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13331 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13332 >= 240000 when generating code for SOM runtime.
13333 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13334 to $$dyncall when generating code for SOM runtime..
13336 2006-02-07 Dirk Mueller <dmueller@suse.com>
13339 * doc/invoke.texi (-Wsequence-point): Update documentation
13340 that -Wsequence-point is implemented for C++ as well.
13342 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13344 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13345 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13346 (LIB_SPEC): Likewise.
13347 * doc/invoke.texi (SPARC options): Document -pthread.
13349 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13351 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13354 2006-02-07 Roger Sayle <roger@eyesopen.com>
13356 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13357 Correct comment describing BOOLEAN_TYPE.
13359 2006-02-07 Dirk Mueller <dmueller@suse.com>
13361 * c.opt: C++ frontend supports -Wdiv-by-zero.
13362 * c-opts.c (c_common_handle_option): Remove dead case.
13364 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13366 * configure.ac (TLS assembler check): Do not enable TLS by
13367 default on SPARC/Solaris before version 10.
13368 * configure: Regenerate.
13370 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13372 * doc/invoke.texi (xl-compat): Document conversion and support
13375 2006-02-07 Jeff Law <law@redhat.com>
13377 * tree-vrp.c (find_conditional_asserts): Update comments.
13378 (simplify_stmt_for_jump_threading): New.
13379 (identify_jump_threads, finalize_jump_threads): New.
13380 (vrp_finalize): Call identify_jump_threads.
13381 (execute_vrp): Call finalize_jump_threads.
13382 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13383 (vrp_element, vrp_data, vrp_element_p): Remove.
13384 (vrp_hash_elt, vrp_variables_stack): Remove.
13385 (vrp_hash, vrp_eq, record_range): Remove.
13386 (simplify_cond_and_lookup_avail_expr): Remove.
13387 (extract_range_from_cond): Remove.
13388 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13389 (simplify_stmt_for_jump_threading): New.
13390 (dom_thread_across_edge): New wrapper.
13391 (tree_ssa_dominator_optimize): No longer initialize or
13392 finalize any of the VRP datastructures. Remove iteration
13393 step and simplify as a result of removal of iteration step.
13394 (pass_dominator): Perform a cfg cleanup after DOM.
13395 (dom_opt_finalize_block): Use the new common routines
13396 for threading jumps. Simplify stack management slightly.
13397 No longer need to unwind VRP state.
13398 (record_equivalences_from_incoming_edge): No longer record
13400 (eliminate_redundant_computations): No longer call
13401 simplify_cond_and_lookup_avail_expr.
13402 * tree-flow.h (potentially_threadable_block): Prototype.
13403 (thread_across_edge): Likewise.
13404 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13405 (tree-ssa-threadedge.o): Add dependencies.
13406 * tree-ssa-threadedge.c: New file.
13407 * passes.c (init_optimization_passes): Merge PHIs before
13408 calling VRP. Run VRP again late in the SSA optimization pipeline.
13410 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13412 * df-core.c (df_set_blocks): Do not dereference function pointers.
13413 (df_finish1): Likewise.
13414 (df_hybrid_search_forward): Likewise.
13415 (df_hybrid_search_backward): Likewise.
13416 (df_iterative_dataflow): Likewise.
13417 (df_analyze_problem): Likewise.
13418 (df_compact_blocks): Likewise.
13419 (df_dump): Likewise.
13420 * df-scan.c (df_rescan_blocks): Likewise.
13421 (df_record_entry_block_defs): Likewise.
13423 * genconditions.c (write_conditions): Guard the definition of
13424 'insn_conditions' with the check on GCC version.
13425 (write_writer): Guard the traversal 'insn_conditions' with
13426 the check on GCC version.
13428 2006-02-07 Richard Guenther <rguenther@suse.de>
13432 2006-01-30 Richard Guenther <rguenther@suse.de>
13434 * gimplify.c (gimplify_target_expr): Handle easy cases
13435 without creating a temporary.
13437 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13439 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13440 use of float in probability computations. Use edge probabilities
13441 in place of statically computed probabilities.
13442 (min_spec_prob): New static variable.
13443 (schedule_insns): Initialize it.
13444 (GET_SRC_PROB): Removed.
13445 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13447 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13450 * config/ia64/unwind-ia64.c: Revert last change.
13451 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13452 (INCOMING_FRAME_SP_OFFSET): Define.
13454 2006-02-06 Roger Sayle <roger@eyesopen.com>
13456 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13458 2006-02-07 Ben Elliston <bje@au.ibm.com>
13460 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13461 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13462 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13463 (ix86_return_in_memory): Handle TDmode.
13464 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13465 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13467 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13469 * reorg.c (dbr_schedule): Use dump_file instead of file.
13471 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13474 * config/ia64/predicates.md (extr_len_operand): New predicate.
13475 * config/ia64/ia64.md (extv): Tighten constraints.
13477 (*tbit_and_2): Ditto.
13478 (*tbit_and_3): Ditto.
13479 (*tbit_or_2): Ditto.
13480 (*tbit_or_3): Ditto.
13481 (*bit_zero): Ditto.
13484 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13487 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13489 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13491 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13492 loop_optimizer_init and loop_optimizer_finalize
13493 * tree-ssa-sink.c (execute_sink_code): Ditto.
13494 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13495 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13496 tree_ssa_loop_done): Ditto.
13497 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13498 * sched-ebb.c: Include output.h.
13499 (schedule_ebbs): Do not use dump argument.
13500 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13501 * loop.c (loop_dump_stream): Removed.
13502 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13504 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13505 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13506 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13507 loop_iterations, strength_reduce, record_biv, record_giv,
13508 final_giv_value, check_final_value, check_ext_dependent_givs,
13509 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13510 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13511 dump_file instead of loop_dump_stream.
13512 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13513 argument dump_file.
13514 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13516 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13517 * haifa-sched.c: Include output.h
13518 (schedule_insns, sched_init): Do not use dump argument.
13519 * mode-switching.c (optimize_mode_switching): Ditto.
13520 * modulo-sched.c (stats_file): Removed.
13521 (print_node_sched_params): Do not call argument dump_file.
13522 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13523 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13525 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13527 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13528 rtl_loop_init, rtl_loop_done): Ditto.
13529 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13530 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13532 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13533 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13534 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13535 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13536 * emit-rtl.c (renumber_insns): Ditto.
13537 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13538 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13539 * regclass.c (regclass): Ditto.
13540 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13541 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13542 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13543 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13545 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13546 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13548 * gcse.c (gcse_file, debug_stderr): Removed.
13549 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13550 rest_of_handle_gcse): Do not use dump argument.
13551 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13552 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13553 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13554 compute_code_hoist_vbeinout, compute_code_hoist_data,
13555 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13556 compute_store_table, build_store_vectors, insert_insn_start_bb,
13557 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13558 store_motion): Use dump_file instead of gcse_file.
13559 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13560 * profile.c (profile_dump_file): Removed.
13561 (branch_prob): Use dump_file instead of profile_dump_file.
13562 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13564 * tree-ssa-copy.c (dump_copy_of): Ditto.
13565 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13566 dump file to life_analysis.
13567 * bt-load.c (branch_target_load_optimize): Ditto.
13568 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13570 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13571 regclass, dbr_schedule): Declaration changed.
13572 * sched-int.h (sched_init): Declaration changed.
13573 * tree-profile.c (tree_profile_dump_file): Removed.
13574 (tree_profile_hooks): Removed profile_dump_file hook.
13575 * rtl-profile (rtl_profile_dump_file): Removed.
13576 (rtl_profile_hooks): emoved profile_dump_file hook.
13577 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13579 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13580 * tree-cfg.c (build_tree_cfg): Ditto.
13581 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13582 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13583 Declaration changed.
13584 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13585 life_analysis and schedule_insns.
13586 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13588 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13590 * config/mips/mips.c (mips_reorg): Ditto.
13591 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13594 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13596 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13597 (s390_mangle_fundamental_type): New.
13598 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13601 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13602 (alpha_mangle_fundamental_type): New.
13603 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13606 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13608 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13610 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13611 (sparc_mangle_fundamental_type): New.
13613 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13615 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13616 (s390x-*-linux*): Likewise.
13617 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13618 * config/s390/t-linux: New file.
13620 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13622 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13623 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13625 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13627 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13628 (ANTIC_SAFE_LOADS): New macro.
13629 (find_or_generate_expression): Add prototype.
13630 (set_contains_value): Allow null set for sake of not always having
13631 to allocate ANTIC_SAFE_LOADS.
13632 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13633 Allow COMPONENT_REF too.
13634 (valid_in_set): Allow COMPONENT_REF.
13635 Check ANTIC_SAFE_LOADS too.
13636 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13637 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13639 (can_PRE_operation): Add COMPONENT_REF.
13640 (create_component_ref_by_pieces): New function.
13641 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13642 (insert_aux): Move AGGREGATE_TYPE_P check here.
13643 (compute_avail): Set bb local stmt uids.
13644 (pass_pre): Use TODO_update_ssa_only_virtuals.
13646 2006-02-06 Ben Elliston <bje@au.ibm.com>
13648 * configure.ac: Unconditionally disable decimal float by default.
13649 * configure: Regenerate.
13651 2006-02-06 Ben Elliston <bje@au.ibm.com>
13653 * read-rtl.c (read_name): Terminate reading on EOF.
13655 2006-02-06 Ben Elliston <bje@au.ibm.com>
13657 * dfp.c (decimal_real_arithmetic): Change second argument type
13658 from int to enum tree_code. Do not always return true, but now
13659 return result of any call to decimal_do helper functions.
13660 * dfp.h (decimal_real_arithmetic): Update prototype.
13662 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13664 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13666 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13669 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13672 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13674 * tree-vrp.c (cfg_loops): Removed.
13675 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13676 Use current_loops instead of cfg_loops. Pass flags to
13677 loop_optimizer_init.
13678 * cfgloopmanip.c (fix_loop_structure): Update only available
13680 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13681 loop_optimizer_init.
13682 * modulo-sched.c (build_loops_structure): Removed.
13683 (sms_schedule): Use loop_optimizer_init.
13684 * loop-init.c (loop_optimizer_init): Use flags to determine
13685 which properties of loops to prepare.
13686 (rtl_loop_init): Pass flags to loop_optimizer_init.
13687 * tree-ssa-sink.c (execute_sink_code): Ditto.
13688 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13689 * tree-ssa-pre.c (init_pre): Ditto.
13690 * cfgloop.h (LOOPS_NORMAL): New.
13691 (loop_optimizer_init): Declaration changed.
13693 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13695 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13696 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13698 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13700 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13702 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13703 * pa/t-pa64: Delete quadlib.c rule.
13704 * pa/x-ada: Revert last change.
13705 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13707 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13709 PR rtl-optimization/26087
13710 * rtlanal.c (canonicalize_condition): Do not cross basic block
13713 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13716 * config/ia64/ia64.c: Include debug.h.
13717 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13718 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13719 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13720 (process_epilogue, process_set, process_for_unwind_directive):
13721 Output unwind info only if requested. Add CFA info if requested.
13722 Add new arguments as needed. Adjust callers.
13723 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13725 (DWARF2_FRAME_INFO): Define to zero.
13726 * config/ia64/unwind-ia64.c: Remove code that compensated for
13727 the CFA offset error fixed above.
13728 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13729 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13730 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13731 -funwind-tables and -fexceptions to enable frame info.
13732 (dwarf2out_frame_init): Define initial CFA even if
13733 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13734 DWARF2_UNWIND_INFO is nonzero, not just defined.
13735 (dwarf2out_frame_finish): Output non-EH call frame info only
13736 if DWARF2_FRAME_INFO is nonzero.
13737 (convert_cfa_to_loc_list,
13738 compute_frame_pointer_to_cfa_displacement): Define even if
13739 unwind info is not supported.
13740 (gen_subprogram_die): Use the above unconditionally. Remove
13741 legacy alternate code.
13742 * toplev.c (compile_file): Compile in call to
13743 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13744 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13746 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13747 Jakub Jelinek <jakub@redhat.com>
13749 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13750 IBM extended float format long double as "g" on powerpc*-linux.
13752 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13755 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13756 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13758 2006-02-03 Jason Merrill <jason@redhat.com>
13761 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13763 PR middle-end/25977
13764 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13765 on the return slot if it's an NRV.
13767 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13769 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13770 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13771 rewrite_use): Do not handle USE_OUTER.
13772 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13773 add_iv_outer_candidates, may_replace_final_value,
13774 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13775 (find_interesting_uses_op): Functionality of
13776 find_interesting_uses_outer_or_nonlin moved here.
13777 (find_interesting_uses_outside): Use find_interesting_uses_op.
13779 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13782 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13784 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13785 Ulrich Weigand <uweigand@de.ibm.com>
13788 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13789 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13790 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13791 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13793 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13794 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13795 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13796 Define secondary reloads for TFmode moves.
13797 (constant_modes): Add TFmode.
13798 (NR_C_MODES): Set to 8.
13799 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13801 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13802 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13803 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13804 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13805 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13806 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13807 (FPR mode macro): Add TFmode.
13808 (DSF mode macro): New.
13809 (<de>, <dee> mode attributes): Removed.
13810 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13811 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13812 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13813 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13814 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13815 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13816 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13817 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13818 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13819 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13820 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13821 "*negabs<mode>2", "sqrt<mode>2"):
13822 Changed <de> to <xde>. R constraint replaced by <Rf>.
13823 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13825 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13826 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13827 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13829 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13830 "extenddftf2", "extendsftf2"): New expanders.
13831 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13832 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13833 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13834 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13836 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13837 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13838 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13839 __floatditf): Add a GCC_4.1.0 symbol version tag.
13840 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13843 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13846 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13847 Use targetm.binds_local_p instead of TREE_PUBLIC.
13849 2006-02-02 Roger Sayle <roger@eyesopen.com>
13851 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13852 on INTEGER_TYPEs to indicate that it denotes a character type.
13853 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13854 signed_char_type_node, unsigned_char_type_node and char_type_node.
13855 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13856 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13857 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13859 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13860 Daniel Berlin <dberlin@dberlin.org>
13862 * tree-tailcall.c (arg_needs_copy_p): New function.
13863 (eliminate_tail_call): Use arg_needs_copy_p.
13864 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13865 (add_virtual_phis): New function.
13867 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13869 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13870 #ignore instead of #scratch for %g7 .register directive.
13872 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13874 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13877 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13879 * flow.c (calculate_global_regs_live): Assert that there aren't any
13882 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13884 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13885 what its name says.
13886 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13887 bsi_after_labels iterator.
13888 * tree-if-conv.c (find_phi_replacement_condition,
13889 replace_phi_with_cond_modify_expr): Likewise.
13890 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13891 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13893 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13895 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13897 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13900 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13901 array after growing it.
13903 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13905 PR middle-end/24901
13906 * fold-const.c (fold_checksum_tree): Change type of buf.
13908 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13910 * reload.c (push_secondary_reload): Initialize t_icode.
13912 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13914 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13915 -msoft-float -mlong-double-128 only issue a warning, but don't
13916 swich to DFmode long double.
13918 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13920 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13921 has a constant equivalent, iterate over equivalents for arg0,
13922 calling simplify_relational_operation and if there's a result
13923 cheaper than X, apply fold_rtx and return the result.
13925 2006-02-01 Jan Hubicka <jh@suse.cz>
13927 * opts.c (no_unit_at_a_time_default): New global variable.
13928 (decode_options): Use it.
13929 * opts.h (no_unit_at_a_time_default): Declare.
13931 2006-02-01 Paul Brook <paul@codesourcery.com>
13933 * function.c (assign_parm_setup_reg): Use function argument promotion
13935 * expr.c (expand_expr_real_1): Use function argument promotion rules
13938 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13940 * gcc.c (process_command): Change j to 'unsigned int'.
13942 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13944 PR middle-end/26001
13945 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13946 Use the corrected index for the character
13947 out of the string constant.
13949 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13951 * mode-switching.c (optimize_mode_switching): Fix size
13952 allocated for bb_info[n_entities].
13954 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13956 * gcc.c (main): Correct type that is allocated for
13957 explicit_link_files.
13959 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13961 * config/s390/s390.c (init_alignment_context): Set
13962 ALIAS_SET_MEMORY_BARRIER on the MEM.
13963 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13965 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13967 PR middle-end/25933
13968 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13970 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13973 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13975 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13976 * regrename.c: Ditto.
13977 * tree-ssa-loop-im.c: Ditto.
13978 * tree-dump.c: Ditto.
13979 * tree-complex.c: Ditto.
13980 * genrecog.c: Ditto.
13981 * tree-ssa-threadupdate.c: Ditto.
13983 * java/class.c: Ditto.
13984 * java/jcf-parse.c: Ditto.
13985 * java/resource.c: Ditto.
13986 * java/except.c: Ditto.
13987 * java/jvspec.c: Ditto.
13988 * java/jcf-write.c: Ditto.
13989 * java/jcf-path.c: Ditto.
13990 * java/gjavah.c: Ditto.
13991 * java/zextract.c: Ditto.
13992 * java/jcf-io.c: Ditto.
13993 * java/jcf.h: Ditto.
13994 * java/buffer.c: Ditto.
13995 * java/lang.c: Ditto.
13996 * java/parse-scan.y: Ditto.
13997 * java/lex.c: Ditto.
13998 * java/lex.h: Ditto.
13999 * cfgloopmanip.c: Ditto.
14000 * postreload-gcse.c: Ditto.
14001 * tree-ssa-loop-manip.c: Ditto.
14002 * postreload.c: Ditto.
14003 * tree-ssa-loop-ch.c: Ditto.
14006 * cppspec.c: Ditto.
14007 * diagnostic.c: Ditto.
14009 * genoutput.c: Ditto.
14011 * cfghooks.c: Ditto.
14012 * cfgloopanal.c: Ditto.
14013 * objc/objc-act.c: Ditto.
14015 * genextract.c: Ditto.
14016 * genautomata.c: Ditto.
14017 * pretty-print.c: Ditto.
14018 * genemit.c: Ditto.
14019 * cgraphunit.c: Ditto.
14021 * df-scan.c: Ditto.
14022 * haifa-sched.c: Ditto.
14023 * dominance.c: Ditto.
14025 * tree-ssa-loop-ivopts.c: Ditto.
14026 * df-core.c: Ditto.
14027 * mode-switching.c: Ditto.
14028 * modulo-sched.c: Ditto.
14030 * ipa-pure-const.c: Ditto.
14032 * fix-header.c: Ditto.
14034 * tree-stdarg.c: Ditto.
14035 * ipa-utils.c: Ditto.
14036 * loop-init.c: Ditto.
14037 * ipa-inline.c: Ditto.
14038 * cfganal.c: Ditto.
14040 * alloc-pool.c: Ditto.
14041 * dwarf2out.c: Ditto.
14043 * genattrtab.c: Ditto.
14044 * tree-ssa-loop-ivcanon.c: Ditto.
14045 * predict.c: Ditto.
14046 * timevar.c: Ditto.
14048 * fortran/gfortranspec.c: Ditto.
14049 * regmove.c: Ditto.
14050 * local-alloc.c: Ditto.
14051 * langhooks.c: Ditto.
14052 * function.c: Ditto.
14053 * tree-vectorizer.c: Ditto.
14055 * ipa-type-escape.c: Ditto.
14057 * tree-if-conv.c: Ditto.
14058 * profile.c: Ditto.
14060 * tree-data-ref.c: Ditto.
14061 * loop-unroll.c: Ditto.
14062 * treelang/treetree.c: Ditto.
14064 * bt-load.c: Ditto.
14065 * ggc-common.c: Ditto.
14067 * coverage.c: Ditto.
14069 * tree-cfgcleanup.c: Ditto.
14070 * tree-ssa-pre.c: Ditto.
14071 * cfgcleanup.c: Ditto.
14072 * loop-invariant.c: Ditto.
14073 * loop-iv.c: Ditto.
14074 * ipa-prop.c: Ditto.
14075 * print-tree.c: Ditto.
14076 * conflict.c: Ditto.
14077 * ggc-page.c: Ditto.
14078 * sched-deps.c: Ditto.
14079 * regclass.c: Ditto.
14080 * tree-object-size.c: Ditto.
14081 * combine.c: Ditto.
14082 * bb-reorder.c: Ditto.
14083 * resource.c: Ditto.
14084 * var-tracking.c: Ditto.
14085 * cfgloop.c: Ditto.
14086 * df-problems.c: Ditto.
14087 * reg-stack.c: Ditto.
14089 * gccspec.c: Ditto.
14090 * sched-rgn.c: Ditto.
14091 * tree-ssa-structalias.c: Ditto.
14092 * tree-ssa-reassoc.c: Ditto.
14093 * config/darwin-c.c: Ditto.
14094 * config/darwin.c: Ditto.
14095 * config/arm/arm.c: Ditto.
14097 * collect2.c: Ditto.
14098 * reload1.c: Ditto.
14100 2006-01-31 Nicolas Pitre <nico@cam.org>
14102 * arm.md (smaxsi3): Make aware of smax_m1.
14105 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14107 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14109 2006-01-31 Richard Guenther <rguenther@suse.de>
14111 * doc/invoke.texi (-msselibm): Document.
14112 * target.h (expand_library_builtin): New target hook.
14113 * builtins.c (expand_builtin): Use expand_library_builtin.
14114 (default_expand_library_builtin): New function.
14115 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14116 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14117 (link_gcc_math_spec): Declare.
14118 (static_specs): Add link_gcc_math_spec.
14119 * expr.h (default_expand_library_builtin): Declare.
14120 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14121 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14122 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14123 * config/i386/i386.opt (msselibm): New target option.
14124 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14125 (ix86_init_sse_abi_builtins): New function.
14126 (ix86_expand_library_builtin): Likewise.
14127 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14128 (override_options): Handle error conditions wrt -msselibm.
14129 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14130 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14131 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14134 2006-01-31 Richard Guenther <rguenther@suse.de>
14135 Paolo Bonzini <bonzini@gnu.org>
14137 * doc/install.texi (--disable-libgcc-math): Document.
14139 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14141 * expr.h (expand_normal): new inline function.
14142 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14143 * dojump.c: use it.
14144 * dwarf2out.c: use it.
14147 * expmed.c: use it.
14148 * except.c: use it.
14149 * config/sparc/sparc.c: use it.
14150 * config/i386/i386.c: use it.
14151 * config/rs6000/rs6000.c: use it.
14152 * config/arm/arm.c: use it.
14153 * config/mips/mips.c: use it.
14154 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14156 2006-01-30 Roger Sayle <roger@eyesopen.com>
14158 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14159 argv to the appropriate type.
14161 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14163 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14166 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14169 * config/s390/s390.c (struct machine_function): New flag
14170 decomposed_literal_pool_addresses_ok_p.
14171 (s390_reorg): Set it before final stage of literal pool transforms.
14172 (s390_decompose_address): Only accept displacements of the form
14173 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14175 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14177 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14178 the comparison routine return.
14180 2006-01-30 Michael Matz <matz@suse.de>
14182 * global.c (find_reg): Only evict for global regs.
14183 Take n_refs into account and dump more info.
14185 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14188 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14189 (pragma_trap, pragma_nosave_low_regs): Likewise.
14190 (current_function_anonymous_args): Likewise.
14191 (sh_deferred_function_attributes): New variable.
14192 (sh_deferred_function_attributes_tail): Likewise.
14193 (print_operand): For '@', look up trap_exit attribute.
14194 (calc_live_regs): Look up trapa_handler attribute. For trapa
14195 handlers, save/restore fpscr, but don't do any other
14196 interrupt-specific saves.
14197 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14198 Fix check for partially saved registers to check for SHmedia.
14199 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14200 (sh_output_function_epilogue): Don't clear any of the removed
14202 (sh_insert_attributes): Don't check pragma_interrupt.
14203 Insert deferred attributes. Check that interrupt attribute is
14204 present for other attributes that require its presence.
14205 (sh_attribute_table): Add new attributes trapa_handler and
14207 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14208 Don't check for pragma_interrupt. Don't store argument.
14209 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14210 (sh_deferred_function_attributes): Declare.
14211 (sh_deferred_function_attributes_tail): Likewise.
14212 * sh.md (sp_switch_1): Add operand. Change generator caller.
14213 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14214 (*return_i): Don't use when trap_exit attribute is in effect.
14215 (*return_trapa): New insn pattern.
14216 * sh-c.c: New file.
14217 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14218 setting c_target_objs and cxx_target_objs.
14219 * t-sh: Add rule for sh-c.o.
14221 2006-01-30 Richard Guenther <rguenther@suse.de>
14224 * gimplify.c (gimplify_target_expr): Handle easy cases
14225 without creating a temporary.
14227 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14229 * vec.h (safe_grow): Remove duplicated line.
14231 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14234 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14235 (expand_omp): ... here.
14236 (expand_omp_parallel): Only remove barriers for combined
14237 parallel+workshare constructs.
14239 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14243 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14244 * tree.c (build_qualified_type): Chain the new type to the original
14245 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14246 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14247 (build_pointer_type_for_mode): Only return unqualified types.
14248 (build_reference_type_for_mode): Likewise.
14250 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14252 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14253 * Makefile.in (CXX_COMPAT_WARN): Define.
14254 * configure: Regenerate.
14256 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14259 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14262 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14264 * toplev.c: Fix thinko.
14266 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14267 Marcin Dalecki <martin@dalecki.de>
14269 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14270 (push_srcloc): Use XNEW.
14271 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14273 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14275 * df-core.c (df_set_blocks): Deleted all variable.
14277 2006-01-28 Ian Lance Taylor <ian@airs.com>
14279 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14280 cgraph_output_pending_asms.
14282 2006-01-28 Zack Weinberg <zackw@panix.com>
14284 * c.opt: Add -W(no-)overlength-strings.
14285 * doc/invoke.texi: Document it.
14286 * c-opts.c (c_common_handle_option): -pedantic implies
14287 -Woverlength-strings, if not explicitly disabled already.
14288 (c_common_post_options): -Woverlength-strings defaults to off, and
14289 is always off for C++.
14290 * c-common.c (fix_string_type): Issue warning about strings longer
14291 than is portable only if warn_overlength_strings. Rearrange code
14292 a little for clarity.
14293 * configure.in: Check for -Wno-overlength-strings as well before
14294 enabling -pedantic in stage 1.
14295 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14296 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14298 * genconditions.c (write_header, write_one_condition)
14299 (write_conditions, write_writer): Consolidate very long strings
14300 that were broken up to fit in C89 portable limit. Don't use
14301 printf when fputs will do.
14303 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14305 * combine.c (simplify_comparison <AND>): Check
14306 TRULY_NOOP_TRUNCATION before start using a subreg.
14308 * config/mips/mips.md (*branch_zero<mode>,
14309 *branch_zero<mode>_inverted, *branch_equality<mode>,
14310 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14311 Remove mode check from comparisons.
14313 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14315 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14317 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14319 * expmed.c (const_mult_add_overflow_p): Remove.
14320 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14322 * recog.c (validate_replace_rtx_subexp): Remove.
14323 * recog.h: Remove the prototype for
14324 validate_replace_rtx_subexp.
14326 * integrate.h: Remove the prototype for
14327 copy_decl_for_inlining.
14328 * rtl.h: Remove the prototype for mark_constant_function.
14329 * tree-vectorizer.h: Remove the prototype for
14330 vect_strip_conversion.
14332 * modulo-sched.c (create_partial_schedule,
14333 free_partial_schedule, reset_partial_schedule): Make them
14336 * hooks.c (hook_bool_rtx_int_false): Remove.
14337 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14339 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14341 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14342 and -mlong-double-128 are incompatible.
14343 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14344 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14345 (TARGET_LIBGCC2_CFLAGS): Define.
14346 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14347 (TARGET_LIBGCC2_CFLAGS): Same.
14348 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14350 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14353 * c-typeck.c (build_binary_op): Perform implicit casts of
14354 operands before shortening them.
14356 * cfgloopmanip.c (split_loop_bb): Remove.
14357 * cfgloop.h: Remove the prototype for split_loop_bb.
14359 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14360 * cfgloop.h: Remove the prototype for
14361 flow_loop_outside_edge_p.
14363 * emit-rtl.c (init_virtual_regs): Make it static.
14364 * function.h: Remove the prototype for init_virtual_regs.
14366 * recog.c (peephole2_optimize): Make it static.
14367 * recog.h: Remove the prototype for peephole2_optimize.
14369 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14371 * df-scan.c (df_record_entry_block_defs): Check if
14372 INCOMING_RETURN_ADDR_RTX is defined.
14374 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14375 Kenneth Zadeck <zadeck@naturalbridge.com>
14377 PR rtl-optimization/24762
14378 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14379 * targhooks.c (hook_void_bitmap): New hook prototype.
14380 * targhoohs.h (hook_void_bitmap): Ditto.
14381 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14382 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14383 * target.h (live_on_entry): New function pointer.
14384 * df-scan.c (df_all_hard_regs): Removed.
14385 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14386 (df_scan_free_internal): Added df->entry_block_defs.
14387 (df_scan_alloc): Ditto.
14388 (df_scan_dump): Ditto.
14389 (df_uses_record): Plumbed flag field properly thru calls.
14390 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14391 This part fixes PR24762.
14392 (df_bb_refs_record): Added code to make the frame and arg
14393 pointers live in EH blocks.
14394 (df_refs_record): Added call to df_record_entry_block_defs.
14395 (df_record_entry_block_defs): New function.
14396 * df-core.c: Added comments to describe new artifical defs.
14397 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14398 (entry_block_defs): New field in struct df.
14399 (df_all_hard_regs): Deleted.
14400 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14401 * df-problems.c (df_ru_bb_local_compute_process_def):
14402 Added code to handle artifical defs in the entry to a function.
14403 (df_ru_bb_local_compute): Ditto.
14404 (df_rd_bb_local_compute_process_def): Ditto.
14405 (df_rd_bb_local_compute): Ditto.
14406 (df_lr_bb_local_compute): Ditto.
14407 (df_ur_bb_local_compute): Ditto.
14408 (df_urec_bb_local_compute): Ditto.
14409 (df_chain_create_bb): Ditto.
14410 (df_ur_local_finalize): Removed entry.
14411 (df_urec_init): Ditto.
14412 (df_urec_local_finalize): Ditto.
14413 (df_ri_bb_compute): Added detection of last use of pseudos.
14414 * Makefile.in (df-scan.o): Updated dependencies.
14415 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14416 * config/mips/mips.c (mips_set_live_on_entry): Added.
14417 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14419 * dce.c (marked_insn_p): Added code to handle artifical defs.
14421 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14423 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14425 (_mm_cvtsi128_si64): Likewise.
14426 (_mm_cvtsd_si64): Likewise.
14427 (_mm_cvttsd_si64): Likewise.
14428 (_mm_cvtsi64_sd): Likewise.
14429 (_mm_cvtsi64_si128): Likewise.
14430 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14431 (_mm_cvtsi64_m64): Likewise.
14432 (_m_to_int64): Likewise.
14433 (_mm_cvtm64_si64): Likewise.
14434 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14435 (_mm_cvttss_si64): Likewise.
14436 (_mm_cvtsi64_ss): Likewise.
14437 (_mm_cvtss_f32): Likewise.
14439 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14441 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14442 for pragma redefine_extname.
14444 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14447 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14448 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14449 -mno-minimal-toc to previous content.
14450 (bispecs): Remove goal.
14451 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14452 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14453 compatibility aliases on powerpc-*-*gnu*.
14454 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14455 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14456 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14457 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14458 (ldblspecs): New goal.
14459 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14460 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14462 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14463 L_sf_to_tf or L_df_to_tf is defined.
14465 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14466 Alan Modra <amodra@bigpond.net.au>
14469 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14470 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14471 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14472 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14473 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14474 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14475 (rs6000_override_options): Initialize rs6000_ieeequad.
14476 Initialize TFmode format to ibm_extended_format if not
14478 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14480 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14481 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14482 (function_arg_advance): IBM long double passed in two FPRs, not
14484 (function_arg): IBM long double passed in FPRs.
14485 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14486 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14487 Only multireg GPR aligned.
14488 (rs6000_init_libfuncs): Enable IBM long double functions if not
14490 (rs6000_generate_compare): Use IBM long double compare if not
14492 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14493 (TARGET_IEEEQUAD): Define.
14494 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14495 not TARGET_IEEEQUAD.
14496 * config/rs6000/rs6000.md: Enable TFmode patterns if
14498 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14499 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14500 and -mlong-double-128 are incompatible.
14501 * doc/invoke.texi (-mabi): Collect options together. Add
14502 ibmlongdouble and ieeelongdouble.
14504 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14506 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14508 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14509 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14510 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14511 * rtl.h (rtunion_def): Remove rt_ptr.
14513 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14514 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14515 * config/i386/winnt.c (i386_pe_mark_dllexport)
14516 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14518 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14520 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14522 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14526 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14527 pthread_key_delete. From John David Anglin. gthrw-ify
14528 pthread_getunique_np only if it it's not a macro. Delete
14530 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14531 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14532 __gthread_objc_condition_signal, __gthread_key_delete): Add
14533 "__attribute__ ((__unused__))" to unused arguments.
14534 (__gthread_recursive_mutex_init_function): Add missing return.
14535 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14536 gthr-posix95.h: Use macro-based approach for name redirection
14537 on targets missing weakref.
14539 2006-01-26 Zack Weinberg <zackw@panix.com>
14541 * genconditions.c (write_header): In generated code, #ifdef out
14542 all includes and fake declarations, except includes of bconfig.h
14543 and system.h, unless GCC_VERSION >= 3001. Do not include
14544 gensupport.h in any case.
14545 (write_conditions): Generate a definition of struct c_test. Add
14546 a comment to the generated #endif.
14547 (write_one_condition): Escape backslashes in string too.
14548 (write_writer): Generated code must escape backslashes and quote
14549 marks (but not newlines) in the strings it writes.
14550 * Makefile.in (build/gencondmd.o): Update dependencies.
14552 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14555 * Makefile.in (insn-automata.o): Add header file dependencies.
14556 * genautomata.c: Add includes.
14558 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14561 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14563 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14565 * configure.ac: Expect target tools paths to be passed from the toplevel
14566 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14568 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14570 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14573 * c.opt (Wpointer-sign): Init to -1.
14574 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14575 OPT_pedantic, to 0 otherwise.
14576 * doc/invoke.texi: Update.
14578 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14580 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14581 constants provided by 80387 instructions in the destination mode.
14583 2006-01-26 Richard Guenther <rguenther@suse.de>
14584 Andrew Pinski <pinskia@physics.uc.edu>
14587 partial PR tree-opt/17064
14588 * tree-ssa-structalias.c (intra_create_variable_infos):
14589 Create heap variables for incoming parameters if
14590 flag_argument_noalias > 1.
14591 (find_what_p_points_to): Look through default defs of
14594 2006-01-26 Jeff Law <law@redhat.com>
14597 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14598 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14599 within the VR_RANGE, use the VR_RANGE as the result, not the
14601 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14602 bounds for the type.
14604 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14606 * tree-ssa-alias.c (maybe_create_global_var): Change
14607 subvar walking to an assertion that we don't have subvar'd variables.
14609 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14612 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14613 Use a new variable, inner. PARM_DECLs are always non-weak.
14615 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14617 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14618 --disable-checking.
14620 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14622 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14624 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14626 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14627 (smax_insn, smin_insn, smax_0, smin_0): New.
14629 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14632 * config/cris/cris.c (cris_order_for_addsi3): New function.
14633 * config/cris/cris-protos.h: Prototype it.
14634 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14635 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14636 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14637 (split for "op.S1 [rx=rx+i],ry (swapped)")
14638 (split for "op(s|u).S1 [rx=rx+i],ry")
14639 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14640 Apply cris_order_for_addsi3 when generating addsi3 insns.
14642 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14644 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14645 (TREE_BLOCK): Add call to EXPR_CHECK.
14647 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14650 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14651 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14652 (dump_omp_clauses): ... here.
14653 (dump_generic_node): Handle OMP_CLAUSE.
14654 * tree.c (omp_clause_num_ops): New.
14655 (omp_clause_code_name): New.
14656 (tree_code_size): Handle OMP_CLAUSE.
14657 (tree_size): Likewise.
14658 (make_node): Document handling of OMP_CLAUSE.
14659 (tree_node_structure): Handle OMP_CLAUSE.
14660 (omp_clause_check_failed): New.
14661 (omp_clause_range_check_failed): New.
14662 (omp_clause_operand_check_failed): New.
14663 (build_omp_clause): New.
14664 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14665 * tree.h (enum omp_clause_code): Declare.
14666 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14667 (OMP_CLAUSE_RANGE_CHECK): Define.
14668 (OMP_CLAUSE_ELT_CHECK): Define.
14669 (omp_clause_check_failed): Declare.
14670 (omp_clause_operand_check_failed): Declare.
14671 (omp_clause_range_check_failed): Declare.
14672 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14673 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14674 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14675 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14676 (OMP_CLAUSE_IF_EXPR): Likewise.
14677 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14678 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14679 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14680 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14681 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14682 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14683 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14684 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14685 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14686 (OMP_CLAUSE_CODE): Define.
14687 (OMP_CLAUSE_SET_CODE): Define.
14688 (OMP_CLAUSE_CODE): Define.
14689 (OMP_CLAUSE_OPERAND): Define.
14690 (struct tree_omp_clause): Declare.
14691 (union tree_node): Add field 'omp_clause'.
14692 * treestruct.def (TS_OMP_CLAUSE): Define.
14693 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14694 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14695 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14696 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14697 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14698 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14699 (OMP_CLAUSE): Define.
14700 * print-tree.c (print_node): Handle OMP_CLAUSE.
14701 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14702 * c-typeck.c: Likewise.
14703 * gimplify.c: Likewise.
14704 * c-omp.c: Likewise.
14705 * tree-nested.c: Likewise.
14706 * tree-inline.c: Likewise.
14707 * c-parser.c: Likewise.
14708 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14711 2006-01-25 Roger Sayle <roger@eyesopen.com>
14713 PR rtl-optimization/25703
14714 * combine.c (try_combine): Handle zero_extract and strict_low_part
14715 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14717 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14719 * global.c: Fix comment typos.
14721 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14724 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14725 Use output_addr_const instead of assemble_name.
14727 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14729 * Makefile.in (sched-vis.o): Update dependencies.
14730 * haifa-sched.c (sched_finish): Clear current_sched_info.
14731 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14732 (dump_flow_info): Call it.
14733 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14735 * basic-block.h (dump_bb_info): Declare.
14736 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14737 option, and apply options only for dump files whose TDF_RTL,
14738 TDF_TREE, or TDF_IPA bits match.
14739 * rtl.h: Declare new functions exported from sched-vis.c.
14740 * sched-vis.c: Enable also if scheduling is not used.
14741 (print_value): Print the mode of registers if not inside scheduling.
14742 (print_insn): Make it work outside the scheduler. Beautify the output
14744 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14746 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14748 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14749 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14750 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14751 depending on the value of CONSTANT_POOL_ADDRESS_P.
14752 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14754 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14755 rather than SYMBOL_REF_DECL.
14756 (rtx_constant_pool): Remove const_rtx_sym_htab.
14757 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14758 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14759 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14760 Remove handling of const_rtx_sym_htab.
14761 (find_pool_constant): Delete.
14762 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14763 rather than find_pool_constant.
14764 (get_pool_constant_for_function): Delete.
14765 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14766 find_pool_constant.
14767 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14768 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14769 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14770 (SYMBOL_REF_CONSTANT): New macro.
14771 (get_pool_constant_for_function): Delete.
14772 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14773 rather than SYMBOL_REF_DECL.
14774 (i386_pe_mark_dllimport): Likewise.
14775 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14776 rather than SYMBOL_REF_DECL.
14777 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14778 (machopic_indirect_call_target): Likewise.
14780 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14782 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14784 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14786 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14788 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14790 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14792 2006-01-24 David Daney <ddaney@avtrex.com>
14795 * configure.ac (enable_tls): New enable option.
14796 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14797 * configure: Regenerate.
14798 * doc/install.texi (--enable-tls): Document new option.
14799 (--disable-tls): Ditto.
14801 2006-01-24 Richard Henderson <rth@redehat.com>
14803 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14804 * alias.c (true_dependence): Respect it.
14805 (canon_true_dependence, write_dependence_p): Likewise.
14806 * builtins.c (get_builtin_sync_mem): Set it.
14808 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14810 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14813 2006-01-24 DJ Delorie <dj@redhat.com>
14815 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14816 for storing constants in single-bit bitfields.
14818 2006-01-25 Ben Elliston <bje@au.ibm.com>
14820 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14822 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14825 * tree-ssa-pre.c (phi_translate): Return NULL
14826 for AGGREGATE_TYPE's.
14828 2006-01-24 Zack Weinberg <zackw@panix.com>
14830 * genautomata.c (process_state_for_insn_equiv_partition):
14831 Use xcalloc for insn_arcs_array.
14832 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14833 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14835 2006-01-24 Richard Henderson <rth@redhat.com>
14837 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14838 update all callers.
14840 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14842 PR rtl-optimization/25890
14843 PR rtl-optimization/25905
14844 * combine.c (expand_compound_operation, expand_field_assignment):
14845 Fail if the bitfield's final position is out of bounds.
14847 2006-01-24 Ian Lance Taylor <ian@airs.com>
14849 PR middle-end/25930
14850 * cgraphunit.c (cgraph_output_in_order): Don't clear
14851 cgraph_asm_nodes until after asm strings have been output.
14853 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14855 * fix-header.c (read_scan_file): Add new parameter imultilib when
14856 calling register_include_chains.
14858 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14860 * omp-low.c: Update documentation.
14862 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14863 Daniel Berlin <dberlin@dberlin.org>
14867 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14868 return from the function.
14870 2006-01-22 Zack Weinberg <zackw@panix.com>
14872 * rtl.def (match_code): Add second argument.
14873 * genpreds.c (write_extract_subexp): New function.
14874 (write_match_code): Add path argument. Use write_extract_subexp.
14875 (write_predicate_expr): Pass path to write_match_code.
14876 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14877 not perform a mode test.
14878 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14879 a subexpression does not constrain the top-level code set.
14880 * read-rtl.c (read_rtx_variadic): New function.
14881 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14882 * doc/md.texi: Document new notation.
14883 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14884 (cmpsi_operand): ... here, using new notation.
14886 2006-01-22 Zack Weinberg <zackw@panix.com>
14888 * varray.c: Remove GENERATOR_FILE #ifdefs.
14890 2006-01-22 Zack Weinberg <zackw@panix.com>
14892 * genautomata.c (output_reserved_units_table): Emit nothing if
14893 description->query_units_num is zero. Remove extra blank line.
14894 (output_cpu_unit_reservation_p): Short circuit
14895 if description->query_units_num is zero.
14897 2006-01-22 Zack Weinberg <zackw@panix.com>
14899 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14900 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14901 nor any of the random handful of variables that used to be necessary
14902 when this program was linked with rtlanal.o. Prune set of forward
14903 function declarations.
14904 (struct attr_desc): Remove static_p field.
14905 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14906 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14907 (attr_string): Do not read the character one past the length of
14909 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14910 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14911 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14912 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14913 (make_automaton_attrs): New.
14914 (main): Do not call into genautomata. Call local gen_bypass
14915 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14916 Remove special case for insn_alts.
14917 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14918 varray.h (leftover from previous change). Prune set of forward
14919 function declarations. Remove state_alts fields from all
14920 structures. Remove state_alts_table from struct automaton.
14921 Make everything except main static. Do not maintain num_dfa_decls.
14922 Do not maintain state_alts fields of various structures.
14923 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14924 (add_arc): Remove state_alts argument. All callers updated.
14925 (output_reserved_units_table): Emit #ifdef here...
14926 (output_tables): ...not here. Don't generate state_alts tables.
14927 (expand_automata): Don't generate attributes.
14928 (write_automata): Don't generate state_alts functions.
14929 (main): New function.
14930 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14931 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14932 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14933 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14934 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14935 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14936 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14937 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14939 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14940 * genattrtab.h: Delete file.
14941 * Makefile.in (OBJS-common): Add insn-automata.o.
14942 (insn-automata.o): New rule.
14943 (simple_generated_c): Add insn-automata.c.
14944 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14945 (genprogmd): Add automata.
14946 (build/genattrtab): Needs no extra objects nor libraries.
14947 (build/genautomata): Needs build/vec.o and -lm.
14949 2006-01-22 Zack Weinberg <zackw@panix.com>
14951 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14952 (output_dfa_max_issue_rate, locked_states_num): Delete.
14953 (struct automaton): Add locked_states field.
14954 (output_dead_lock_vect): Save number of locked states in
14955 automaton->locked_states. If it is zero, don't print anything.
14956 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14957 (output_internal_dead_lock_func): Only test the dead_lock_vect
14958 for automata that have locked states.
14959 (output_statistics): Always print the number of locked states for
14960 each automaton. Calculate total number of locked states here.
14961 (write_automata): Don't call output_dfa_max_issue_rate.
14962 * genattrtab.c: Define length_unit_log as a const variable.
14963 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14964 max_insn_queue_index const.
14965 * final.c (length_unit_log): Declare const.
14966 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14968 2006-01-22 Zack Weinberg <zackw@panix.com>
14970 * genautomata.c: Include vec.h, not varray.h.
14971 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14972 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14973 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14974 VEC_* macros operating on appropriately typed vectors, or to
14975 malloced arrays when the size is known in advance. Const-ify
14976 many char* variables and function arguments. No functional changes.
14977 * Makefile.in (build/varray.o): Delete rule.
14978 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14979 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14981 2006-01-22 Zack Weinberg <zackw@panix.com>
14983 * gensupport.c: Define get_insn_name and record_insn_name here.
14984 (read_md_rtx): Call record_insn_name as appropriate.
14985 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14986 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14987 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14989 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14990 (BUILD_VARRAY): Delete.
14991 (genprognormal): Rename genprogmd. Fold in all programs from
14992 genprognoprint; also attrtab.
14993 (build/genattrtab): Just mention genautomata.o and varray.o.
14994 Reorganize a bit, add comments to make the categories clearer.
14996 2006-01-22 Zack Weinberg <zackw@panix.com>
14998 * genconditions.c (condition_table, add_condition): Delete.
14999 (write_conditions): Don't emit n_insn_conditions nor
15000 insn_elision_unavailable. Issue the gcc version #ifdef here,
15001 inside the table, with no #else clause ...
15002 (write_header): ...not here.
15003 (write_writer): New function.
15004 (main): Don't initialize condition_table. Use add_c_test.
15006 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15007 files on the command line.
15008 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15009 Return -1 if there is no entry in the table, don't abort.
15010 (add_c_test, traverse_c_tests): New functions.
15011 * gensupport.h (insn_elision_unavailable, insn_conditions)
15012 (n_insn_conditions): Delete declarations.
15013 (add_c_test, traverse_c_tests): Declare.
15014 * read-rtl.c: Include gensupport.h.
15015 (read_conditions): New function.
15016 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15017 (read_rtx_1): If we get EOF when we were looking for an initial
15018 open paren, return 0. Call read_conditions when appropriate.
15019 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15020 dummy-conditions.o. Eliminate references to insn-conditions.o,
15021 or change them to build/gencondmd.o, as appropriate. Remove
15022 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15023 from $(simple_generated_c). For all files remaining in those
15024 two lists, add insn-conditions.md to the generator command line.
15025 Give insn-constants.h/s-constants their own rules. Add rules
15026 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15027 (build/read-rtl.o): Depend on gensupport.h.
15028 (genprognormal): Include preds.
15029 (genprogearly): Rename genprognoprint; only difference is now that
15030 they don't link with $(BUILD_PRINT).
15031 * dummy-conditions.c: Delete.
15033 2006-01-22 Zack Weinberg <zackw@panix.com>
15035 * genextract.c: Don't include insn-config.h. Do include vec.h.
15036 Declare vectors of int, char, and locstr.
15037 (locstr): New typedef.
15038 (struct extraction): Make all array fields into bare pointers.
15039 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15040 (insn_code_number): Delete.
15041 (accum_extract): New struct.
15042 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15043 (gen_insn): Take insn_code_number as an argument. Use an
15044 accum_extract structure instead of loading data directly into
15045 a struct extraction, and having to know how big it might get.
15046 (walk_rtx): Operate entirely on an accum_extract structure.
15047 (print_path): Avoid unnecessary use of printf.
15048 (print_header): New function, split out of main. Distinguish
15049 more carefully between an unrecognizable insn and an insn that
15050 has the code number of a define_expand.
15051 (main): Pass insn_code_number to gen_insn. Call print_header
15052 only after parsing. Avoid unnecessary use of printf.
15053 * Makefile.in (build/vec.o): New rule.
15054 (build/genextract): Depend on build/vec.o.
15055 (build/genextract.o): Don't depend on insn-config.h.
15057 2006-01-22 Zack Weinberg <zackw@panix.com>
15059 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15060 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15061 practical. Eliminate per-generator-program link rules.
15063 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15065 PR middle-end/24437
15066 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15067 with a call expr to ...
15068 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15070 2006-01-23 Richard Guenther <rguenther@suse.de>
15072 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15073 before make_edge with conditional EDGE_TRUE_VALUE.
15075 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15076 Jan Hubicka <jh@suse.cz>
15077 Richard Guenther <rguenther@suse.de>
15079 PR rtl-optimization/25654
15080 * cfgexpand.c (aggregate_contains_union_type): New function.
15081 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15082 for structure variables that contain a union type.
15084 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15086 * gengtype.c (new_structure): Return the structure.
15087 (create_option): Add an extra "next" argument.
15088 (create_field): New function.
15089 (adjust_field_rtx_def): Use create_option and create_field.
15090 Remove a now-unnecessary call to find_structure.
15091 (adjust_field_tree_def): Likewise.
15092 (note_yacc_type): Remove an unnecessary call to find_structure.
15093 * gengtype.h (new_structure): Return the structure.
15094 (create_option): Add an extra argument.
15095 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15096 (option): Adjust calls to create_option.
15098 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15100 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15102 2006-01-22 Paul Brook <paul@codesourcery.com>
15103 Peter Barada <peter@the-baradas.com>
15105 * config/m68k/m68k.md: Add Coldfire FPU support.
15106 Define FP mode macro and associated attributes.
15107 Use it for float mode patterns.
15108 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15109 (LIBCALL_VALUE): Use m68k_libcall_value.
15110 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15111 (m68k_function_value): Ditto.
15112 (emit_move_sequence): Ditto.
15113 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15114 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15115 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15116 (MULTILIB_EXCEPTIONS): Ditto.
15117 * config/m68k/m68k.opt: Add mcfv4e.
15118 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15119 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15120 (m68k_output_function_prologue): Save ColdFire FPU registers.
15121 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15122 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15123 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15124 ColdFire FPU registers.
15125 (m68k_libcall_value, m68k_function_value): New functions.
15126 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15127 (LIBCALL_VALUE): Use m68k_libcall_value.
15128 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15129 (MASK_COLDFIRE): Add MASK_CFV4E.
15130 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15131 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15132 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15133 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15134 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15135 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15136 * doc/invoke.tex: Document -mcfv4e on m68k.
15138 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15140 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15143 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15146 * c-opts.c (c_common_handle_option): Don't include
15147 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15148 * doc/invoke.texi (C++ Dialect Options): Document that
15149 -Wnon-virtual-dtor is no longer included in -Wall.
15151 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15153 * gcov.c (print_version), gcov-dump.c (print_version),
15154 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15157 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15159 * df-scan.c (problem_SCAN): Added NULL reset function.
15160 (df_scan_reset_blocks): Added code to call reset block function
15161 (df_bb_refs_delete) Fixed comment.
15162 (df_insn_refs_delete): Made tolerant of deleting non existent info
15163 for dataflow problems that need to be reset.
15164 * df-core.c (df_set_blocks): Ditto.
15165 * df.h (struct df_problem): Added reset_fun.
15166 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15167 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15168 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15169 functions to clear out all references to def-use or use-def chains.
15171 2006-01-21 Ben Elliston <bje@au.ibm.com>
15173 * varasm.c (assemble_real): Initialise data array.
15175 2006-01-20 Paul Brook <paul@codesourcery.com>
15177 Merge from csl-arm-branch.
15178 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15179 * config/arm/arm.md (movdi): Force operands[1] to a register
15180 if we have a non-register source.
15181 (*arm_movdi, *movdf_soft_insn): Require that one of the
15182 operands be a register.
15183 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15184 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15186 2006-01-20 DJ Delorie <dj@redhat.com>
15188 * varasm.c (initializer_constant_valid_p): Allow pointers
15189 initialized from integer constants of lesser precision.
15190 (output_constant): Allow non-int-sized pointer modes to be
15191 initialized from integer constants.
15193 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15196 * cppdefault.h (struct default_include): Add multilib flag.
15197 * cppdefault.c (cpp_include_defaults): Set it.
15198 * c.opt (-imultilib): New option.
15199 * c-opts.c (imultilib): New.
15200 (c_common_handle_option): Handle -imultilib.
15201 (c_common_post_options): Likewise.
15202 * c-incpath.c (add_standard_paths, register_include_chains):
15204 * c-incpath.h (register_include_chains): Add extra parameter.
15205 * gcc.c (do_spec_1): Generate -imultilib option.
15206 (The Specs Language): Update %I description.
15207 (process_command): Update copyright notice.
15208 * doc/cppopts.texi (-imultilib): Document.
15209 * doc/invoke.texi (-imultilib): Include in option summary.
15210 (%I): Update specs documentation.
15212 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15214 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15216 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15218 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15221 2006-01-20 Richard Guenther <rguenther@suse.de>
15222 Steven Bosscher <stevenb.gcc@gmail.com>
15224 PR rtl-optimization/24626
15225 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15226 EDGE_TRUE_VALUE if in RTL mode.
15229 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15230 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15232 2006-01-20 Dirk Mueller <dmueller@suse.com>
15235 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15236 instead of a special NOP marker.
15237 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15238 NOP marker handling.
15239 * c-common.h (empty_body_warning): Add forward declaration.
15240 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15241 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15243 2006-01-20 Paul Brook <paul@codesourcery.com>
15245 * Makefile.in (lang_checks): Keep going if mkdir fails.
15247 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15249 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15250 be able to clean out basic block when not necessary.
15251 (df_scan_free): Fixed to properly delete information if df is
15252 unused before calling df_finish.
15253 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15254 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15256 (df_bb_refs_delete): New function.
15257 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15258 * df-core.c (df_set_blocks): Added code to properly clean out
15259 unused blocks if they are not part of the blocks to consider.
15260 Added additional null check.
15261 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15262 be able to clean out basic block when not necessary
15263 * df.h (df_free_bb_function): Ditto.
15264 (df_bb_refs_delete): New function.
15265 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15266 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15267 basic block parameter to be able to clean out basic block when not
15269 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15270 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15271 Fixed to properly delete information if df is unused before
15274 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15276 PR rtl-optimization/25799
15277 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15278 Corrected confluence operator to remove bits from op2 before oring
15279 with op1 rather than removing bits from op1.
15280 (df_ru_transfer_function): Corrected test on wrong bitmap which
15281 caused infinite loop. Both of these problems were introduced in
15282 the dataflow rewrite.
15284 2006-01-19 DJ Delorie <dj@redhat.com>
15286 * reload1.c (find_reload_regs): Note the details of reload
15287 failures in the dump file.
15288 (spill_failure): Likewise.
15290 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15292 * loop-iv.c: Include df.h and hashtab.h.
15293 (enum iv_grd_result): New enum.
15294 (DF_REF_IV, DF_REF_IV_SET): New macros.
15295 (struct biv_entry): New.
15296 (df, bivs): New global variables.
15297 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15298 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15300 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15301 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15302 analyzed_for_bivness_p, record_biv): New functions.
15303 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15304 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15305 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15307 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15309 (iv_number_of_iterations): Use new interface to iv analysis.
15310 * loop-unroll.c: Do not include varray.h.
15311 (analyze_iv_to_split_insn): Use new interface to iv
15313 * loop-unswitch.c (may_unswitch_on): Ditto.
15314 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15316 (df_bb_modify): Realloc tables to the new index.
15317 (df_find_use): New function.
15318 * df.h (df_find_use): Declare.
15319 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15321 * cfgloop.h (struct rtx_iv): Remove analysed field.
15322 (iv_get_reaching_def): Removed.
15323 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15324 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15325 (loop-iv.o): Add df.h and hashtab.h dependency.
15326 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15328 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15331 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15333 (__floatundisf, __floatundidf): Likewise.
15334 * libgcc2.h (IS_IBM_EXTENDED): Define.
15336 2006-01-19 DJ Delorie <dj@redhat.com>
15338 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15340 2006-01-19 Paul Brook <paul@codesourcery.com>
15342 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15343 as nothrow when unwinding tables are disabled.
15345 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15348 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15349 of bit-field" when in system header.
15351 2006-01-19 DJ Delorie <dj@redhat.com>
15353 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15354 the 16 bit shift limit of the m16c.
15356 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15359 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15360 * config/i386/i386.c (output_set_got): Output the label if we have one
15361 for the TARGET_DEEP_BRANCH_PREDICTION case.
15363 2006-01-19 Jan Hubicka <jh@suse.cz>
15364 H.J. Lu <hongjiu.lu@intel.com>
15365 Evandro Menezes <evandro.menezes@amd.com>
15367 * invoke.texi (generic): Document
15369 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15370 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15371 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15372 (x86_use_incdec, x86_pad_returns): New variables
15373 (TARGET_CPU_DEFAULT_generic): New constant
15374 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15375 (enum processor_type): Add generic32 and generic64.
15376 * i386.md (cpu attribute): Add generic32/generic64
15377 (movhi splitter): Behave sanely when both partial_reg_dependency and
15378 partial_reg_stall are set.
15379 (K8 splitters): Enable for generic as well.
15380 * predicates.md (incdec_operand): Use TARGET_INCDEC
15381 (aligned_operand): Avoid memory mismatch stalls.
15382 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15383 * ppro.md: Enable for generic32
15384 * i386.c (generic64_cost, generic32_cost): New.
15385 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15386 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15387 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15388 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15389 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15390 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15391 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15392 x86_accumulate_outgoing_args, x86_prologue_using_move,
15393 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15394 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15395 Enable for generic.
15396 (x86_use_incdec, x86_pad_returns): New.
15397 (override_options): Add generic32 and generic64, translate "generic"
15398 to generic32/generic64 and "i686" to "generic32", refuse
15399 "generic32"/"generic64" as arch target.
15400 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15401 (ix86_reorg): Honor PAD_RETURNS.
15403 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15405 * tree-pretty-print.c (dump_generic_node): Handle
15406 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15407 * cgraph.c (cgraph_expand_queue): Rename from
15408 cgraph_analyze_queue. Update all users.
15409 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15410 cgraph_expand_queue.
15411 (cgraph_expand_all_functions): Likewise.
15412 (cgraph_finalize_pending_functions): Remove. Update callers.
15414 * tree.h (OMP_DIRECTIVE_P): Define.
15415 (OMP_PARALLEL_FN): Define.
15416 (OMP_PARALLEL_DATA_ARG): Define.
15417 (OMP_SECTIONS_SECTIONS): Define.
15418 * tree-pass.h (pass_expand_omp): Declare.
15419 * omp-low.c (struct omp_region): Declare.
15420 (struct omp_context): Remove fields 'parallel_type',
15421 'parallel_start_ix' and 'parallel_start_additional_args'.
15423 (struct omp_for_data): Rename from struct expand_omp_for_data.
15424 (omp_regions): New static variable.
15425 (root_omp_region): New static variable.
15426 (find_omp_clause): Make static.
15427 (is_in_combined_parallel_ctx): Remove.
15428 (is_combined_parallel): New.
15429 (extract_omp_for_data): Move earlier in the file.
15430 (workshare_safe_to_combine_p): New.
15431 (get_ws_args_for): New.
15432 (determine_parallel_type): Move earlier in the file.
15433 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15435 (omp_copy_decl): Likewise.
15436 (create_omp_child_function): Likewise.
15437 (lookup_omp_region): New.
15438 (dump_omp_region): New.
15439 (debug_omp_region): New.
15440 (debug_all_omp_regions): New.
15441 (new_omp_region): New.
15442 (scan_omp_parallel): If parallel_nesting_level > 1, the
15443 directive is nested within another parallel directive.
15444 Set OMP_PARALLEL_FN.
15445 (scan_omp_for): Do not try to handle combined parallel+for
15447 Remove FIXME comment.
15448 (scan_omp_nested): Remove.
15449 (scan_omp_1): Do not call scan_omp_nested when
15450 parallel_nesting_level is > 1.
15451 Do not change the DECL_CONTEXT of local variables found.
15452 (lookup_decl_in_outer_ctx): New.
15453 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15454 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15455 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15456 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15457 If CTX is nested, lookup VAR in the outer context when
15458 building copy assignment.
15459 (lower_send_clauses): Rename from expand_send_clauses.
15460 If CTX is nested, lookup VAR in the outer context when
15461 building copy assignments.
15462 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15463 If CTX is nested, lookup VAR in the outer context when
15464 building copy assignments.
15465 (expand_parallel_call): Rename from build_parallel_call.
15466 Handle combined parallel+workshare cases.
15467 Re-implement to emit code into the CFG.
15469 (expand_omp_parallel): Re-implement to emit code into the CFG.
15470 Call move_sese_region_to_fn to outline the sub-graph
15471 containing the parallel region.
15472 (expand_omp_for_1): Remove.
15473 (expand_omp_for_generic): Re-implement to emit code into the
15475 (expand_omp_for_static_nochunk): Likewise.
15476 (expand_omp_for_static_chunk): Likewise.
15477 (expand_omp_for): Likewise.
15478 (expand_omp_sections): Likewise.
15479 (remove_exit_barriers): New.
15480 (expand_omp_synch): New.
15482 (build_omp_regions_1): New.
15483 (build_omp_regions): New.
15484 (execute_expand_omp): New.
15485 (gate_expand_omp): New.
15486 (pass_expand_omp): Define.
15487 (lower_omp_sections): Rename from expand_omp_sections.
15488 Set OMP_SECTIONS_SECTIONS.
15489 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15490 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15491 (lower_omp_single): Rename from expand_omp_simple.
15492 (lower_omp_master): Rename from expand_omp_master.
15493 (lower_omp_ordered): Rename from expand_omp_ordered.
15494 (lower_omp_critical): Rename from expand_omp_critical.
15495 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15496 (lower_omp_for): Re-implement.
15497 (lower_omp_parallel): Re-implement.
15498 (lower_regimplify): Rename from expand_regimplify.
15499 (lower_omp_1): Rename from expand_omp_1.
15500 If there are syntax errors in the program, replace every
15501 OpenMP directive with NOP.
15502 Call lower_omp_* instead of expand_omp_*.
15503 (lower_omp): Rename from expand_omp.
15505 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15506 * tree-gimple.h (enum omp_parallel_type): Remove.
15507 (gimple_boolify): Declare extern.
15508 (find_omp_clause, determine_parallel_type): Remove.
15510 * gimple-low.c (lower_omp_directive): New.
15511 (lower_stmt): Call it.
15512 (record_vars_into): Move from ...
15513 (record_vars): ... here.
15514 Call record_vars_into with current_function_decl.
15516 * gimplify.c (struct gimplify_ctx): Remove fields
15517 combined_pre_p and combined_ctxp. Update users.
15518 (get_formal_tmp_var): Add documentation.
15519 (gimple_boolify): Make extern.
15520 (gimplify_expr_in_ctx): Remove. Update callers.
15521 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15522 will always be a BIND_EXPR.
15523 (gimplify_expr): Handle OMP_RETURN_EXPR.
15524 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15525 (OMP_PARALLEL): Add 3 operands.
15526 (OMP_SECTIONS): Add 1 operand.
15527 (OMP_RETURN_EXPR): Define.
15529 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15530 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15531 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15532 creating a circular free list.
15533 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15535 * tree-flow.h (move_sese_region_to_fn): Declare.
15536 (record_vars_into): Declare.
15537 * tree-cfg.c (make_omp_sections_edges): New.
15538 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15539 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15540 OMP_SECTIONS and OMP_SECTION.
15541 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15542 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15543 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15544 (gather_blocks_in_sese_region): New.
15545 (struct move_stmt_d): Declare.
15546 (move_stmt_r): New.
15547 (move_block_to_fn): New.
15548 (move_sese_region_to_fn): New.
15550 * passes.c (init_optimization_passes): Schedule
15551 pass_expand_omp after pass_init_datastructures.
15553 * tree-ssa-operands.c (get_expr_operands): Handle
15554 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15555 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15557 2006-01-19 Jeff Law <law@redhat.com>
15559 * tree-vrp.c (extract_range_from_assert): Refine the result range
15560 if the variable referenced by the ASSERT_EXPR has a range and
15561 either the tentative result range or the previous range is a
15564 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15566 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15568 2006-01-19 Jan Hubicka <jh@suse.cz>
15570 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15572 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15574 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15575 (expand_compound_operation, expand_field_assignment): Fail if the
15576 bit lengths of an extract operation are out of range.
15577 (make_extraction): Compute wanted_inner_mode based on the position
15578 and length of the extraction. Make it extraction_mode for non-constant
15579 positions, and do not modify offset in that case. When generating a
15580 new MEM, use a mode that can hold the extraction while keeping correct
15581 alignment. Remove code that supported MEMs wrapped by USEs.
15582 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15584 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15586 * config/s390/s390.md ("Y", "y"): New mode attribute.
15587 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15588 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15589 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15590 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15591 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15592 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15593 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15594 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15595 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15596 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15597 "addsi3", "subsi3"): Insn patterns removed.
15598 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15599 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15600 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15601 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15602 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15603 "*sub<mode>3_cconly2"): New insn patterns.
15604 ("addsi3", "subsi3"): New expanders.
15606 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15608 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15609 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15610 existing STMT_VINFO_VECTYPE if available.
15611 (vect_mark_relevant): Add special handling for stmts that are
15612 marked as STMT_VINFO_IN_PATTERN_P.
15613 (vect_analyze_loop): Call vect_pattern_recog.
15614 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15615 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15617 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15618 (vect_recog_func_ptr): New function-pointer type.
15619 * tree-vect-patterns.c: New file.
15620 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15621 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15622 (vect_pattern_recog_1): New functions.
15623 (vect_pattern_recog_funcs): New array of function pointers.
15625 * tree-vectorizer.h (ternary_op): New enum value.
15626 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15627 declaration. Revised documentation. Removed redundant dump prints.
15628 Removed redundant argument. Added support for reduction patterns.
15629 (vectorizable_reduction): Added support for reduction patterns.
15630 (vect_transform_stmt): Added support for patterns.
15632 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15633 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15634 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15635 (expand_widen_pattern_expr): New function.
15636 (init_optabs): Initialize new optabs udot_prod_optab,
15638 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15639 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15640 (expand_widen_pattern_expr): New function declaration.
15641 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15643 * tree-inline.c (estimate_num_insns_1): Added cases for new
15644 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15645 * tree-pretty-print.c (dump_generic_node): Likewise.
15646 (op_prio): Likewise.
15647 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15648 * tree-ssa-operands.c (get_expr_operands): Added case for
15650 * tree-vect-patterns.c (widened_name_p): New function.
15651 (vect_recog_dot_prod_pattern): Added function implementation.
15652 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15653 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15654 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15655 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15657 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15658 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15659 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15660 (init_optabs): Initialize new optabs widen_ssum_optab,
15662 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15663 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15664 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15665 use instead of type of def.
15666 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15667 function implementation.
15668 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15669 widen_ssumv8hi): New.
15671 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15674 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15677 * c-decl.c (add_flexible_array_elts_to_size): New function.
15678 (finish_decl): Use it.
15680 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15682 * diagnostic.h: Include options.h.
15683 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15684 dependancies for diagnostic.h.
15685 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15687 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15689 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15690 (ssa_ro_call_cache_valid): Ditto.
15691 * tree-ssa-alias.c (sort_tags_by_id): New function.
15692 (init_transitive_clobber_worklist): Ditto.
15693 (add_to_worklist): Ditto.
15694 (mark_aliases_call_clobbered): Ditto.
15695 (compute_tag_properties): Ditto.
15696 (set_initial_properties): Ditto.
15697 (compute_call_clobbered): Ditto.
15698 (compute_may_aliases): Call compute_call_clobbered and grouping.
15699 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15700 (compute_flow_insensitive_aliasing): Grouping now happens in our
15702 (setup_pointers_and_addressables): Remove clobbering related code.
15703 (add_may_alias): Ditto.
15704 (replace_may_alias): Ditto.
15705 (get_nmt_for): Ditto.
15706 (create_global_var):
15707 (is_escape_site): Return an escape_type enumeration.
15708 * tree-flow-inline.h (is_call_clobbered): Global var does not
15709 imply call clobbered.
15710 (mark_call_clobbered): Take a reason for marking this. Remove
15711 marking of globalness, and cache invalidation.
15712 (clear_call_clobbered): Remove cache invalidation code.
15713 * tree-dfa.c (dump_variable): If details is on, dump the reason
15715 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15717 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15718 (struct var_ann_d): Ditto.
15719 (enum escape_type): New.
15720 (mark_call_clobbered): Adjust prototype.
15721 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15722 are never call clobbered.
15723 Record reasons for escaping.
15724 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15725 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15726 (ssa_ro_call_cache_valid): Ditto.
15727 (clobbered_v_may_defs): Ditto.
15728 (clobbered_vuses): Ditto.
15729 (ro_call_vuses): Ditto.
15730 (clobber_stats): New.
15731 (init_ssa_operands): Zero out clobber stats.
15732 (fini_ssa_operands): Print out clobber stats.
15733 (get_call_expr_operands): Pass callee fndecl to
15734 add_call_read_ops).
15735 (add_call_clobber_ops): Remove use of cache.
15736 Add use of PURE_CONST information.
15737 (add_call_read_ops): Remove use of cache.
15738 Add use of static not_read information.
15740 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15742 Introduce TLS descriptors for i386 and x86_64.
15743 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15744 (TARGET_ANY_GNU_TLS): New macro.
15745 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15746 (struct machine_function): Add tls_descriptor_call_expanded_p.
15747 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15748 (ix86_current_function_calls_tls_descriptor): Likewise.
15749 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15750 (override_options): Introduce gnu2 tls dialect.
15751 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15753 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15755 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15756 (ix86_init_machine_status): Initialize new field.
15757 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15758 (ix86_tls_module_base): New.
15759 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15760 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15761 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15762 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15763 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15764 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15765 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15766 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15767 * config/i386/predicates.md (tls_modbase_operand): New.
15768 (tp_or_register_operand): New.
15770 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15772 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15773 (look_for_address_of): Ditto.
15774 (ipa_init): Walk the function decls.
15775 (static_execute): Don't set readonly on FUNCTION_DECL's.
15777 2006-01-18 Roger Sayle <roger@eyesopen.com>
15779 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15780 for shifts where the source and destination registers are different.
15782 2006-01-18 Paul Brook <paul@codesourcery.com>
15784 Merge from csl-arm-branch.
15785 2005-03-14 Julian Brown <julian@codesourcery.com>
15786 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15787 (aeabi_llsl): Likewise.
15788 (ashrdi3): Likewise.
15789 (aeabi_lasr): Likewise.
15790 (lshrdi3): Likewise.
15791 (aeabi_llsr): Likewise.
15792 2005-03-10 Julian Brown <julian@codesourcery.com>
15793 * config.gcc: Disable shared libgcc for SymbianOS.
15794 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15796 2006-01-18 DJ Delorie <dj@redhat.com>
15798 * c-pragma.c (handle_pragma_diagnostic): New.
15799 (init_pragma): Register it.
15800 * doc/extend.texi: Document it.
15802 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15803 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15804 (diagnostic_context): Add classify_diagnostic[].
15805 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15806 as errors if they're overridden to DK_WARNING.
15807 (diagnostic_initialize): Initialize classify_diagnostic[].
15808 (diagnostic_set_kind_override): New.
15809 (diagnostic_report_diagnostic): Check for kind changes.
15810 * opts.c (common_handle_option): Take lang_mask. Update callers.
15811 Handle OPT_Werror_.
15812 * common.opt (Werror=): New.
15813 * doc/invoke.texi: Document -Werror=*
15815 2006-01-18 Jeff Law <law@redhat.com>
15817 * tree-vrp.c (test_for_singularity): Correct test for new
15818 min limit. Use operand_equal_p rather than pointer equality
15819 for testing if new min/max values are equal.
15821 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15822 using range information until after propagation and folding.
15824 2006-01-18 Richard Henderson <rth@redhat.com>
15825 Aldy Hernandez <aldyh@redhat.com>
15826 Jakub Jelinek <jakub@redhat.com>
15827 Diego Novillo <dnovillo@redhat.com>
15829 * omp-low.c: New file.
15830 * c-omp.c: New file.
15832 2006-01-18 Richard Henderson <rth@redhat.com>
15833 Jakub Jelinek <jakub@redhat.com>
15834 Diego Novillo <dnovillo@redhat.com>
15836 * doc/invoke.texi: Document -fopenmp.
15837 * tree-dump.h (debug_function): Declare.
15838 * hooks.c (hook_bool_tree_bool_false): New function.
15839 (hook_tree_tree_null): Remove.
15840 (hook_tree_tree_tree_null): New.
15841 * hooks.h: Update to match.
15842 * tree-pretty-print.c (debug_tree_chain): New.
15843 (print_generic_expr): Handle TDF_CHAIN.
15844 (dump_generic_node): Handle BLOCK.
15845 Do not abort with incomplete SWITCH_EXPRs.
15846 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15847 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15848 print space after directive name.
15849 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15850 Handle OMP_MASTER and OMP_ORDERED.
15851 Handle printing of OMP_BODY just in one place, goto
15852 dump_omp_body in the rest of OMP_* nodes that have
15854 Don't handle clause nodes here. Update omp statements to
15855 use dump_omp_clauses.
15856 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15857 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15858 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15859 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15860 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15861 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15862 Adjust output for GOMP_PARALLEL.
15863 (dump_omp_clauses): New.
15864 (print_declaration): Dump DECL_VALUE_EXPR.
15865 (op_symbol_1): Split out of op_symbol.
15866 (dumping_stmts): Remove. Update all users.
15867 * cgraph.c (cgraph_analyze_queue): New.
15868 (cgraph_add_new_function): New.
15869 * cgraph.h (cgraph_analyze_queue): Declare.
15870 (cgraph_add_new_function): Declare.
15871 (cgraph_lower_function): Remove.
15872 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15873 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15874 and TYPE_P nodes in its default clause.
15875 (empty_body_p): New.
15876 (tree_range_check_failed): New.
15877 (build5_stat): New.
15878 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15879 OMP_CLAUSE_REDUCTION_MERGE,
15880 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15881 OMP_CLAUSE_PRIVATE_DEBUG,
15882 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15883 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15884 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15885 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15886 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15887 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15888 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15889 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15890 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15891 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15892 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15893 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15894 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15895 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15896 (TREE_RANGE_CHECK): New.
15897 (empty_body_p): Declare.
15898 (enum omp_clause_default_kind): New.
15899 (build_string_literal): Declare.
15900 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15901 (build5_stat, build5): Declare.
15902 * tree-pass.h (TDF_CHAIN): Define.
15903 * tree-pass.h (PROP_gimple_lomp): Define.
15904 (pass_lower_omp): Declare.
15905 * diagnostic.h (debug_tree_chain): Declare.
15906 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15908 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15909 * builtins.c (build_string_literal): Make extern.
15910 * gcc.c (include_spec_function): New.
15911 (static_spec_functions): Add it.
15912 (main): Move load of libgomp.spec ...
15913 (LINK_COMMAND_SPEC): ... here.
15914 (link_gomp_spec): New.
15915 (static_specs): Include it.
15916 (LINK_COMMAND_SPEC): Add link_gomp.
15917 (GOMP_SELF_SPECS): New.
15918 (driver_self_specs): Include it.
15919 (switch_matches): Don't mark inline.
15920 (main): Load libgomp.spec.
15921 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15922 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15923 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15924 * tree-gimple.h (enum omp_parallel): Declare.
15925 (determine_parallel_type): Declare.
15926 (omp_firstprivatize_variable): Declare.
15927 (omp_reduction_init): Declare.
15928 (diagnose_omp_structured_block_errors): Declare.
15929 (struct walk_stmt_info): Add want_return_expr.
15930 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15931 (find_omp_clause): Declare.
15932 (insert_field_into_struct): Declare.
15933 (struct walk_stmt_info): Move from tree-nested.c
15934 (walk_stmts): Declare.
15935 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15937 * cgraphunit.c (cgraph_lower_function): Make static.
15938 (cgraph_finalize_pending_functions): New.
15939 (cgraph_finalize_function): Call it.
15940 (cgraph_finalize_compilation_unit): Likewise.
15941 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15942 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15943 (BT_FN_UINT_UINT): New.
15944 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15945 DEF_FUNCTION_TYPE_VAR_4): Document.
15946 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15947 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15948 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15949 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15950 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15951 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15952 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15953 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15954 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15955 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15956 into separate files.
15957 (DEF_GOMP_BUILTIN): New.
15958 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15959 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15960 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15961 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15962 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15963 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15964 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15965 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15966 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15967 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15968 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15969 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15970 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15971 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15972 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15973 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15974 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15975 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15976 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15977 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15978 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15979 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15980 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15981 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15982 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15983 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15984 * sync-builtins.def: New file, moved from builtins.def.
15985 * omp-builtins.def: New file, moved from builtins.def.
15986 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15987 * gimple-low.c (lower_function_body): Clear data.
15988 (lower_stmt): Do not handle COMPOUND_EXPR.
15989 Remove call to print_node_brief.
15990 * c-tree.h (c_finish_omp_clauses): New prototype.
15991 (C_DECL_THREADPRIVATE_P): Define.
15992 (lookup_name_no_remap, c_omp_remap_private): Remove
15993 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15994 (check_for_loop_decls): Update decl.
15995 (lookup_name_no_remap, c_omp_remap_private): Declare.
15996 (build_indirect_ref, build_modify_expr, pushdecl,
15997 pushdecl_top_level): Move to c-common.h.
15998 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15999 before the switch, but just in the 2 places that need it.
16000 * c-decl.c (diagnose_mismatched_decls): Do not check for
16001 mismatched thread-local attributes when OLDDECL is marked
16002 threadprivate and NEWDECL has no thread-local attributes.
16003 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16004 (c_gimple_diagnostics_recursively): Rename from
16005 c_warn_unused_result_recursively. Invoke
16006 diagnose_omp_structured_block_errors.
16007 (check_for_loop_decls): Return a singular decl found.
16008 * langhooks.c (lhd_omp_predetermined_sharing): Return
16009 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16010 (lhd_omp_firstprivatize_type_sizes): New.
16011 (lhd_omp_assignment): New.
16012 (lhd_omp_predetermined_sharing): New.
16013 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16014 (struct lang_hooks_for_types): Add
16015 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16016 omp_predetermined_sharing, omp_disregard_value_expr,
16017 omp_private_debug_clause, omp_clause_default_ctor,
16018 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16019 (c_finish_omp_clauses): New.
16020 (c_finish_bc_stmt): Diagnose break within omp for.
16021 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16022 (build_unary_op): Return error_mark after reporting
16024 (build_modify_expr): Likewise.
16025 * gimplify.c: Include optabs.h and pointer-set.h.
16026 (enum gimplify_omp_var_data): Declare.
16027 (struct gimplify_omp_ctx): Declare.
16028 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16030 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16031 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16032 (splay_tree_compare_decl_uid): New.
16033 (new_omp_context): New.
16034 (delete_omp_context): New.
16035 (gimple_add_tmp_var): Call omp_add_variable.
16036 (gimplify_bind_expr): Likewise.
16037 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16038 true, disregard DECL_VALUE_EXPR on the decl if any.
16039 (gimplify_expr_in_ctx): New.
16040 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16041 omp_add_variable, omp_notice_variable, omp_is_private
16042 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16043 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16044 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16045 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16046 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16047 gimplify_omp_atomic): New.
16048 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16049 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16050 OMP_CRITICAL and OMP_ATOMIC.
16051 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16052 * c-pragma.h (enum pragma_kind): Add
16053 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16054 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16055 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16056 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16057 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16058 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16059 PRAGMA_OMP_THREADPRIVATE.
16060 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16061 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16062 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16063 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16064 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16065 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16066 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16067 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16068 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16069 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16070 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16071 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16072 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16074 (struct nesting_info): Add field_map,
16075 suppress_expansion, debug_var_chain.
16076 (create_nesting_tree): Initialize them.
16077 (lookup_field_for_decl): Use field_map.
16078 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16079 (convert_local_omp_clauses): New.
16080 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16081 (walk_body): Split out of walk_function.
16082 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16083 (convert_nonlocal_reference): Handle omp statements.
16084 (convert_local_reference): Likewise.
16085 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16086 (unnest_nesting_tree): New.
16087 (lower_nested_functions): Call it.
16088 (insert_field_into_struct): Make extern.
16089 (struct walk_stmt_info): Move to tree-gimple.h.
16090 (walk_stmts): Make extern.
16091 * omp-builtins.def: New file.
16092 * tree-iterator.c (expr_only): Clarify comment.
16093 * c-common.h (pushdecl_top_level, pushdecl,
16094 build_modify_expr, build_indirect_ref,
16095 c_finish_omp_master, c_finish_omp_critical,
16096 c_finish_omp_ordered, c_finish_omp_barrier,
16097 c_finish_omp_atomic, c_finish_omp_flush,
16098 c_finish_omp_for, c_split_parallel_clauses,
16099 omp_clause_default_kind, c_omp_sharing_predetermined,
16100 c_omp_remap_decl): Declare.
16101 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16102 (OBJS-common): Add omp-low.o.
16103 (c-omp.o, omp-low.o): Add.
16104 (gimplify.o): Add dependency on $(OPTABS_H).
16105 (GTFILES): Add omp-low.c.
16106 (gt-stringpool.h): Add.
16107 * tree-cfg.c (set_bb_for_stmt): Do not update the
16108 block-to-labels map if we are currently expanding to RTL.
16109 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16111 Handle IDENTIFIER_NODE.
16112 (tree_verify_flow_info): Do not ICE when emitting error
16113 messages about invalid labels.
16114 (dump_function_to_file): Reset CFUN before emitting the body
16116 (debug_function): New.
16117 * passes.c (init_optimization_passes): Schedule
16119 * langhooks-def.h (lhd_omp_predetermined_sharing,
16120 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16122 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16123 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16124 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16125 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16126 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16127 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16128 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16129 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16130 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16131 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16132 (LANG_HOOK_DECLS): Use them.
16134 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16135 Richard Henderson <rth@redhat.com>
16136 Jakub Jelinek <jakub@redhat.com>
16137 Diego Novillo <dnovillo@redhat.com>
16139 * c-parser.c (pragma_omp_clause): Define.
16140 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16141 (c_parser_compound_statement): Likewise.
16142 (c_parser_statement): Likewise.
16143 (c_parser_pragma): Handle omp pragmas.
16144 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16145 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16146 (c_parser_omp_clause_name, check_no_duplicate_clause,
16147 c_parser_omp_variable_list,
16148 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16149 c_parser_omp_clause_copyprivate,
16150 c_parser_omp_clause_default,
16151 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16152 c_parser_omp_clause_lastprivate,
16153 c_parser_omp_clause_nowait,
16154 c_parser_omp_clause_num_threads,
16155 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16156 c_parser_omp_clause_reduction,
16157 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16158 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16159 c_parser_omp_atomic, c_parser_omp_barrier,
16160 c_parser_omp_critical, c_parser_omp_flush,
16161 c_parser_omp_for_loop, c_parser_omp_for,
16162 c_parser_omp_master, c_parser_omp_ordered,
16163 c_parser_omp_sections_scope, c_parser_omp_sections,
16164 c_parser_omp_parallel, c_parser_omp_single,
16165 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16166 * c-pragma.c (init_pragma): Do omp pragma registration here.
16167 * c.opt (fopenmp): New flag.
16169 2006-01-18 Eric Christopher <echristo@apple.com>
16171 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16172 * config/darwin.h (GOMP_SELF_SPECS): Define.
16174 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16176 * rtl.h: Remove the prototype for reg_alloc.
16178 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16181 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16182 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16183 sjlj and dwarf2 exception handling.
16184 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16185 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16186 * pa/pa.c (function_value): Treat complex and vector types as
16188 (function_arg): Likewise. Only pass scalar floats in the floating
16189 point argument registers.
16190 * pa/t-slibgcc-dwarf-ver: New file.
16191 * pa/t-slibgcc-sjlj-ver: New file.
16192 * pa/t-slibgcc-elf-ver: Delete file.
16194 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16196 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16197 unlikely_test_section_p test.
16199 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16201 * mode-switching.c (optimize_mode_switching): Make it static.
16202 * basic-block.h: Remove the prototype for
16203 optimize_mode_switching.
16205 * modulo-sched.c (sms_schedule): Make it static.
16206 * rtl.h: Remove the prototype for sms_schedule.
16208 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16209 * rtl.h: Remove the prototype for gcse_after_reload_main.
16211 * reg-stack.c (reg_to_stack): Make it static.
16212 * rtl.h: Remove the prototype for reg_to_stack.
16214 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16216 * rtl.h: Remove the prototypes for regrename_optimize and
16217 copyprop_hardreg_forward.
16219 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16221 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16222 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16223 Test against the appropriate null constant for the mode.
16224 If 'fixup_overlap' is true, swap the operands if they overlap.
16225 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16226 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16227 alpha_split_tmode_pair and adjust for above change.
16228 * config/alpha/alpha.md (movtf_internal): Adjust call to
16229 alpha_split_tfmode_pair and rely on it to swap the operands.
16230 (movti_internal): New insn and post-reload splitter.
16231 (movti): New expander.
16233 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16235 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16238 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16240 * rtlanal.c (global_reg_mentioned_p_1,
16241 global_reg_mentioned_p): Remove.
16242 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16244 * flow.c (initialize_uninitialized_subregs): Make it static.
16245 * rtl.h: Remove the prototype for
16246 initialize_uninitialized_subregs.
16248 * function.c (instantiate_virtual_regs): Make it static.
16249 * function.h: Remove the prototype for
16250 instantiate_virtual_regs.
16252 * regmove.c (regmove_optimize, combine_stack_adjustments):
16254 * rtl.h: Remove the prototypes for regmove_optimize and
16255 combine_stack_adjustments.
16257 2006-01-17 Roger Sayle <roger@eyesopen.com>
16259 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16260 (size_cost): Encode costs in bytes so that a reg-reg addition is
16261 equivalent to COSTS_N_INSNS(1).
16262 (override_options): Use the size_cost.branch_cost as the default
16263 ix86_branch_cost when optimizing for size.
16265 2006-01-18 Ben Elliston <bje@au.ibm.com>
16267 * Makefile.in (D32PBIT_FUNCS): New.
16268 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16269 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16270 D64PBIT_FUNCS and D128PBIT_FUNCS.
16271 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16272 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16274 (decnumber_dep): Define.
16275 * doc/libgcc.texi (Decimal float library routines): New node.
16276 * config/dfp-bit.h, config/dfp-bit.c: New files.
16278 2006-01-18 Ben Elliston <bje@au.ibm.com>
16280 * expr.c (emit_move_change_mode): Always adjust addresses, not
16281 just during reload. Copy replacements only during reload.
16282 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16283 emit_move_via_integer.
16285 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16287 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16288 instead of $(srcdir) and ${srcdir}.
16290 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16293 PR middle-end/11135
16294 * arm.h (struct machine_function): Add pic_reg.
16295 * arm.c (arm_pic_register): Make unsigned.
16296 (arm_override_options): Only set arm_pic_register if
16297 TARGET_SINGLE_PIC_BASE.
16298 (use_return_insn): Only test for a pic register if it is fixed.
16299 (arm_compute_save_reg0_reg12_mask): Likewise.
16300 (thumb_compute_save_reg_mask): Likewise.
16301 (legitimate_pic_operand): Factor out some known invariants.
16302 (legitimize_pic_address): If we don't have a fixed pic register,
16303 then set up a pseudo in the function entry sequence. Handle the
16304 pic base being in a pseudo.
16305 (arm_load_pic_register): Handle the pic register being in a pseudo.
16306 (arm_expand_prologue): Only set up the pic register if it is fixed.
16307 (thumb_expand_prologue): Likewise.
16308 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16309 (pic_load_addr_based_insn): Likewise.
16310 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16313 2006-01-18 Ben Elliston <bje@au.ibm.com>
16315 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16316 decimal float modes for all floating point registers.
16318 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16319 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16321 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16324 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16325 even when the pointer is not NULL.
16327 2006-01-16 Ian Lance Taylor <ian@airs.com>
16329 * common.opt (ftoplevel-reorder): New option.
16330 * cgraph.c (cgraph_asm_nodes): New global variable.
16331 (cgraph_asm_last_node): New static variable.
16332 (cgraph_order): New global variable.
16333 (cgraph_create_node): Set new order field.
16334 (cgraph_varpool_node): Likewise.
16335 (decide_is_variable_needed): Return true if not
16336 flag_toplevel_reorder.
16337 (cgraph_add_asm_node): New function.
16338 * cgraph.h (struct cgraph_node): Add order field.
16339 (struct cgraph_varpool_node): Add order field.
16340 (struct cgraph_asm_node): Define.
16341 (cgraph_asm_nodes, cgraph_order): Declare.
16342 (cgraph_add_asm_node): Declare.
16343 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16345 (cgraph_varpool_assemble_pending_decls): Call it.
16346 (cgraph_output_pending_asms): New static function.
16347 (cgraph_finalize_compilation_unit): Call it.
16348 (struct cgraph_order_sort): Define.
16349 (cgraph_output_in_order): New static function.
16350 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16351 !flag_toplevel_reorder case.
16352 * c-parser.c: Include "cgraph.h".
16353 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16355 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16356 than -fno-unit-at-a-time.
16357 * doc/invoke.texi (Option Summary): Mention
16358 -fno-toplevel-reorder.
16359 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16360 -funit-at-a-time documentation.
16362 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16363 Kazu Hirata <kazu@codesourcery.com>
16365 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16367 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16369 * Makefile.in (FUNCTION_H): New. Use it instead of
16370 function.h throughout the file.
16371 * function.h: Include tree.h.
16373 2006-01-17 Ben Elliston <bje@au.ibm.com>
16375 * recog.c: Separate some functions with whitespace.
16377 2006-01-16 Richard Henderson <rth@redhat.com>
16379 Merge from gomp branch:
16380 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16381 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16382 and rename from struct inline_data. Rename callee* to dst*;
16383 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16384 transform_new_cfg, transform_return_to_modify, and
16385 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16387 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16388 (copy_decl_for_dup): Remove.
16389 * tree-inline.c (struct inline_data): Move to header.
16390 (insert_decl_map): Export.
16391 (remap_decl): Update for member name changes. Use copy_decl hook.
16392 Allow for replacement to be a non-decl. Remove dead code.
16393 (remap_type_1): Check for existing mapping.
16394 (remap_type): Export.
16395 (remap_decls): Update for member name changes.
16396 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16397 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16398 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16399 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16400 (tree_function_versioning, build_duplicate_type): Likewise.
16401 (copy_body_r): Likewise. Export.
16402 (copy_decl_for_dup): Split into ...
16403 (copy_decl_for_dup_finish, copy_decl_to_var,
16404 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16405 (replace_ref_tree, inlining_p): Remove.
16407 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16409 * ifcvt.c (if_convert): Make it static.
16410 * rtl.h: Remove the prototype for if_convert.
16412 * local-alloc.c (local_alloc): Make it static.
16413 * rtl.h: Remove the prototype for local_alloc.
16415 * loop.c (loop_optimize): Make it static.
16416 * cfgloop.h: Remove the prototype for loop_optimize.
16419 2006-01-16 DJ Delorie <dj@redhat.com>
16421 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16424 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16426 * pa.md: Disparage copies between general and floating-point registers
16427 in 32-bit move patterns.
16429 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16432 * Makefile.in (check-%): Depend on site.exp instead of
16433 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16436 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16438 * global.c (global_alloc): Make it static.
16439 * rtl.h: Remove the prototype for global_alloc.
16441 2006-01-16 Richard Guenther <rguenther@suse.de>
16443 * tree-ssa-alias.c (struct used_part): Add write_only field.
16444 (get_or_create_used_part_for): Initialize it to true.
16445 (create_overlap_variables_for): Don't create structure variables
16446 for structures that only are written to.
16447 (find_used_portions): Handle MODIFY_EXPR to track whether a
16448 structure is only written to.
16450 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16452 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16454 * basic-block.h: Remove the prototype for
16455 partition_hot_cold_basic_blocks.
16457 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16459 * cppspec.c (lang_specific_spec_functions): Remove.
16460 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16461 * gcc.h (lang_specific_spec_functions): Remove.
16462 * gccspec.c (lang_specific_spec_functions): Remove.
16464 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16466 * combine.c (record_value_for_reg): Invalidate registers
16468 (record_dead_and_set_regs_1): Likewise, by passing them to
16469 record_value_for_reg.
16470 (record_dead_and_set_regs): Invalidate stores made by a
16471 call. We do not combine across a call, but we still
16472 relied on equivalences.
16474 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16476 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16477 vrp_int_const_binop returning non-constant nodes.
16479 2006-01-16 Paul Brook <paul@codesourcery.com>
16481 * config/m68k/m68k.c (output_move_const_into_data_reg):
16482 Output correct mnemonic for mvz and mvs.
16484 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16486 * rtl-factoring.c: Add sequence abstraction algorithm.
16487 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16488 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16490 (block_has_preserve_label): New function.
16491 * common.opt: Register new pass.
16492 * Makefile.in: Ditto.
16494 * timevar.def: Ditto.
16495 * tree-pass.h: Ditto.
16496 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16497 * rtl.h (make_jump_insn_raw): Add forward decl.
16498 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16500 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16501 Roger Sayle <roger@eyesopen.com>
16503 * fold-const.c (fold_minmax): New static function.
16504 (fold_binary) <MIN_EXPR>: Call it.
16505 <MAX_EXPR>: Likewise.
16506 * stor-layout.c (place_field): Use DECL_SIZE consistently
16507 in the computation of the new record size.
16509 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16511 * cse.c (cse_condition_code_reg): Make it static.
16512 * rtl.h: Remove the prototype for cse_condition_code_reg.
16514 * combine.c (combine_instructions): Make it static.
16515 * rtl.h: Remove the prototype for combine_instructions.
16517 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16520 * tree.c (get_file_function_name_long): Concatenate the first global
16521 object name with a string derived from the input filename of the object
16524 2006-01-16 Ben Elliston <bje@au.ibm.com>
16526 * config/i386/winnt-stubs.c: Update FSF address.
16527 * config/xtensa/ieee754-df.S: Ditto.
16528 * config/xtensa/ieee754-sf.S: Ditto.
16530 2006-01-14 Ian Lance Taylor <ian@airs.com>
16532 * ifcvt.c (noce_init_if_info): New static function, broken out of
16533 noce_process_if_block.
16534 (noce_process_if_block): Call noce_init_if_info.
16535 (check_cond_move_block): New static function.
16536 (cond_move_process_if_block): New static function.
16537 (process_if_block): Call cond_move_process_if_block.
16539 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16541 * cselib.c (hash_table): Rename to cselib_hash_table.
16542 (cselib_clear_table, discard_useless_values,
16543 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16544 cselib_init, cselib_finish): Adjust uses of hash_table.
16546 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16548 PR tree-optimization/25485
16549 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16550 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16551 is known to be false and true, respectively.
16553 2006-01-14 Richard Guenther <rguenther@suse.de>
16555 PR tree-optimization/22548
16556 PR tree-optimization/22555
16557 PR tree-optimization/22501
16558 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16559 * params.def (salias-max-array-elements): New parameter.
16560 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16561 * doc/invoke.texi (salias-max-array-elements): Document.
16562 * tree-flow-inline.h (var_can_have_subvars): We also handle
16564 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16566 * tree-ssa-structalias.c (params.h): Include.
16567 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16568 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16569 (get_constraint_for): For ADDR_EXPR operating on something
16570 containing an ARRAY_REF, add all subvars to the solution.
16571 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16572 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16573 for creating MUST_DEFs.
16574 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16576 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16578 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16580 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16581 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16582 number_of_iterations_le): New functions.
16583 (number_of_iterations_special): Removed.
16584 (number_of_iterations_exit): Do not use number_of_iterations_special.
16585 * tree.c (unsigned_type_for): Always return integer type.
16587 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16588 Richard Guenther <rguenther@suse.de>
16590 PR rtl-optimization/24257
16591 * gcse.c (find_moveable_store): Only consider a store movable
16592 when the SET_SRC of the insn can be assigned to a register.
16594 2006-01-14 Ian Lance Taylor <ian@airs.com>
16596 * tree.c (tree_not_class_check_failed): New function.
16597 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16598 (tree_not_class_check_failed): Declare.
16600 2006-01-13 Ian Lance Taylor <ian@airs.com>
16602 * reload1.c (do_output_reload): Add assertion rejecting a
16605 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16607 * combine.c (struct reg_stat): Add new fields truncation_label and
16609 (record_value_for_reg): Reset truncated_to_mode.
16610 (record_truncated_value): New function.
16611 (check_promoted_subreg): Call it. Rename to check_conversions.
16612 (combine_instructions): Rename check_promoted_subreg to
16614 (reg_truncated_to_mode): New function.
16615 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16616 (gen_lowpart_or_truncate): New function.
16617 (force_to_mode): Use it instead of gen_lowpart.
16619 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16621 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16622 VAR is a tag, not its type tag.
16624 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16626 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16627 alternatives to match style of other entries.
16628 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16630 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16632 PR tree-optimization/25771
16633 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16636 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16639 * tree-inline.c (declare_return_variable): If the return variable
16640 was marked as a non gimple complex, set the return slot variable
16641 to be a non gimple comple variable.
16643 2006-01-13 Richard Guenther <rguenther@suse.de>
16645 * builtins.c (expand_builtin_sincos): New function.
16646 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16648 (expand_builtin): Expand sincos using expand_builtin_sincos.
16650 2006-01-12 DJ Delorie <dj@redhat.com>
16652 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16653 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16654 so that constant shifts can be split.
16655 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16656 (m32c_valid_pointer_mode): Make static.
16657 (shift_gen_func_for): New.
16658 (m32c_prepare_shift): Use it. Split large const shifts into
16660 * config/m32c/predicates.md (shiftcount_operand): Allow more
16662 (longshiftcount_operand): New.
16663 * doc/md.texi (Machine Constraints): Document In6.
16665 2006-01-13 Ben Elliston <bje@au.ibm.com>
16667 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16668 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16671 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16673 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16674 to try to avoid clobbering pieces of structures when we know
16675 something about the whole structure.
16676 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16678 2006-01-13 Ben Elliston <bje@au.ibm.com>
16680 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16681 return in memory, as this is no limitation is no longer present.
16683 2006-01-12 DJ Delorie <dj@redhat.com>
16685 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16686 mova with fb, and for fb+0 -> An.
16688 * config/m32c/mov.md (peephole2): Fix enabling logic.
16690 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16691 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16692 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16693 FINI_ARRAY_SECTION_ASM_OP): Define.
16695 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16697 (m32c_legitimize_reload_address): New logic to reload FB to An.
16698 (m32c_output_reg_push): Add newline.
16699 (m32c_output_reg_pop): Likewise.
16701 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16703 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16705 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16707 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16709 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16711 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16714 2006-01-11 Ben Elliston <bje@au.ibm.com>
16716 * rtlanal.c (find_reg_note): Assert insn is not null.
16718 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16720 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16723 2006-01-11 Jeff Law <law@redhat.com>
16725 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16727 (mark_threaded_blocks, register_jump_thread): New functions.
16728 (thread_through_all_blocks): Remove unwanted argument. No
16729 longer rely on e->aux to communicate thread target info.
16730 Call mark_threaded_blocks. Release the threaded_blocks
16731 bitmap and threaded_edges vector when complete.
16732 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16733 (threaded_blocks): Remove.
16734 (tree_ssa_dominator_optimize): Remove initialization and
16735 finalization of threaded_blocks. Simplify call to
16736 thread_through_all_blocks.
16737 (thread_across_edge): Call register_jump_thread rather than
16738 storing thread information into e->aux.
16739 (free_all_edge_infos): Simplify now that e->aux is no longer
16740 used to communicate with thread_through_all_blocks.
16741 * tree-flow.h (thread_through_all_blocks): Update prototype.
16742 (register_jump_thread): Prototype.
16744 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16746 * df-core.c (df_compact_blocks, df_bb_replace): Use
16747 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16749 2006-01-11 Richard Guenther <rguenther@suse.de>
16751 PR tree-optimization/25734
16752 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16753 stop propagation after successful propagation to the LHS.
16755 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16757 * basic-block.h (control_flow_graph): Change the type of
16758 x_basic_block_info to VEC(basic_block,gc) *.
16759 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16761 (SET_BASIC_BLOCK): New.
16762 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16763 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16764 * cfgbuild.c (find_basic_blocks): Likewise.
16765 * cfglayout.c (fixup_reorder_chain): Likewise.
16766 * cfgrtl.c (create_basic_block_structure,
16767 rtl_create_basic_block): Likewise.
16768 * ifcvt.c (find_if_case_1): Likewise.
16769 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16772 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16774 * Makefile.in: Removed rotted odf.c entry.
16776 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16779 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16780 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16781 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16782 output pattern modifier, not %e.
16783 * config/cris/cris.c (cris_op_str): Update comment about pattern
16785 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16786 before falling through into...
16787 <case 'E'>: Redefined from old 'e' case.
16789 2006-01-11 Jan Hubicka <jh@suse.cz>
16792 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16794 2006-01-11 Jan Hubicka <jh@suse.cz>
16796 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16797 * i386.c (x86_decompose_lea): Kill.
16798 (ix86_rtx_costs): Kill.
16800 2006-01-11 Jan Hubicka <jh@suse.cz>
16802 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16803 * cgraph.h (cgraph_node): Add inline_decl.
16804 (cgraph_insert_node_to_hashtable): Declare.
16805 (save_inline_function_body): Declare.
16806 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16808 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16809 (cgraph_function_versioning): Update call of tree_function_versioning.
16810 (save_inline_function_body): New function.
16811 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16812 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16813 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16814 (cgraph_default_inline_p): Likewise.
16815 (cgraph_decide_inlining_incrementally): Likewise.
16816 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16817 (copy_bb): Kill saving; do updating of clones.
16818 (copy_cfg_body): Kill saving.
16819 (initialize_inlined-parameters): Likewise.
16820 (expand_call_inline): Likewise.
16822 (tree_function_versioning): New parameter "update_clones".
16823 (inlining_p): Kill saving.
16824 * tree-inline.h (tree_function_versioning): Update prototype.
16825 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16828 2006-01-11 Ian Lance Taylor <ian@airs.com>
16830 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16831 Allow undoing set of machine mode.
16832 (do_SUBST): Use enums instead of is_int.
16833 (do_SUBST_MODE): New function.
16834 (SUBST_MODE): New macro.
16835 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16836 reg and trying to replace reg_regno_rtx with a new register.
16837 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16838 (simplify_set): Use SUBST_MODE.
16839 (distribute_notes): Remove code that tried to update reg notes
16840 for regno_reg_rtx changes.
16842 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16844 PR tree-optimization/23109
16845 PR tree-optimization/23948
16846 PR tree-optimization/24123
16848 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16849 * tree-cfg.c (single_noncomplex_succ): New.
16850 * tree-flow.h (single_noncomplex_succ): Declare it.
16851 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16852 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16853 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16854 insert_bb, register_division_in, insert_reciprocals,
16855 replace_reciprocal, free_bb): New.
16856 (execute_cse_reciprocals_1): Rewritten.
16857 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16858 Do not commit any edge insertion. Always compute dominators and
16859 create the allocation pool.
16860 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16861 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16862 * targhooks.c (default_min_divistions_for_recip_mul): New.
16863 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16864 * passes.c (init_optimization_passes): Run recip after tree loop
16866 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16868 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16869 Kenneth Zadeck <zadeck@naturalbridge.com>
16871 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16872 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16873 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16874 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16875 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16876 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16877 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16878 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16879 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16880 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16881 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16882 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16883 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16884 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16885 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16886 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16887 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16888 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16889 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16890 DF_SCAN_POST_ALLOC): New macros.
16891 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16892 df_free_bb_function, df_local_compute_function, df_init_function,
16893 df_dataflow_function, df_confluence_function_0,
16894 df_confluence_function_n, df_transfer_function,
16895 df_finalizer_function, df_free_function, df_dump_problem_function,
16896 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16897 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16898 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16899 df_urec_bb_info, ) New types.
16900 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16902 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16903 df_analyze_simple_change_some_blocks,
16904 df_analyze_simple_change_one_block, df_compact_blocks,
16905 df_bb_replace, df_bb_regno_last_use_find,
16906 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16907 df_insn_regno_def_p, df_find_def, df_find_use,
16908 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16909 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16910 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16911 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16912 debug_df_chain, df_get_dependent_problem, df_chain_create,
16913 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16914 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16915 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16916 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16917 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16918 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16919 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16920 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16921 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16922 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16923 df_reorganize_refs, df_set_state, df_hard_reg_init,
16924 df_read_modify_subreg_p) New public functions.
16925 * df-core.c: The core dataflow solver and glue routines for rtl
16927 (df_init, df_add_problem, df_set_blocks, df_finish,
16928 df_hybrid_search_forward, df_hybrid_search_backward,
16929 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16930 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16931 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16932 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16933 df_reg_defined, df_find_use, df_reg_used, df_dump,
16934 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16935 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16936 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16937 debug_df_useno, reset_df_after_reload): New functions.
16938 * df-scan.c: The scanning fuctions, once in df.c, completely
16939 rewritten so that they now fully model the functionality of
16940 register usage at the backend.
16941 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16942 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16943 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16944 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16945 df_get_artificial_defs, df_get_artificial_uses,
16946 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16947 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16948 df_refs_delete, df_reorganize_refs, df_set_state,
16949 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16950 df_def_record_1, df_defs_record, df_uses_record,
16951 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16952 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16953 df_record_exit_block_uses, df_hard_reg_init): New functions.
16955 * df-problems.c: Seven concrete dataflow problems that use the
16956 scanning in df-scan.c and are solved by the engine in df-core.c.
16957 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16958 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16959 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16960 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16961 df_ru_free_bb_info, df_ru_alloc,
16962 df_ru_bb_local_compute_process_def,
16963 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16964 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16965 df_ru_transfer_function, df_ru_free, df_ru_dump,
16966 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16967 df_rd_free_bb_info, df_rd_alloc,
16968 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16969 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16970 df_rd_transfer_function, df_rd_free, df_rd_dump,
16971 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16972 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16973 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16974 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16975 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16976 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16977 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16978 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16979 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16980 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16981 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16982 df_urec_mark_reg_use_for_earlyclobber,
16983 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16984 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16985 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16986 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16987 df_chain_create_bb_process_use, df_chain_create_bb,
16988 df_chain_finalize, df_chain_free, df_chains_dump,
16989 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16990 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16991 df_reg_lifetime): New functions.
16992 * df.c: Deleted file.
16993 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16994 consistent with new df api.
16995 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16996 rest_of_handle_sms): Ditto.
16997 * web.c (unionfind_union, union_defs, entry_register, web_main):
16999 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17000 invariant_expr_equal_p, find_defs, check_dependencies,
17001 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17002 free_inv_motion_data, move_loop_invariants): Ditto.
17003 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17004 Update dependencies.
17005 (odf.c): Added defective entry that was deleted later in day.
17006 * sched-deps.c (sched_analyze_1): Ditto.
17008 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17010 * tree-ssa-operands.c (get_expr_operands): Record addressable
17011 variables directly. Do not call add_stmt_operands for CONST_DECLs
17013 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17014 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17016 2006-01-11 Ben Elliston <bje@au.ibm.com>
17018 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17019 function returns true in the positive case.
17021 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17024 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17025 for SI, DI, SF and DF modes. Add alternatives to copy between
17026 general and floating point registers to the 32-bit patterns.
17027 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17028 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17029 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17030 generating 64-bit code.
17031 * config/pa/pa.c (output_move_double): Handle copies between general
17032 and floating registers.
17034 2006-01-10 Stuart Hastings <stuart@apple.com>
17036 * config/i386/i386.md (set_got): Update.
17037 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17038 (builtin_setjmp_receiver): Mach-O support.
17039 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17040 (GOT_SYMBOL_NAME): Define.
17041 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17042 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17043 * config/i386/i386.c (override_options): Revise for Darwin.
17044 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17045 support. (darwin_x86_file_end): New. (output_set_got): Add label
17046 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17047 * config/i386/i386-protos.h (output_set_got): Likewise.
17048 * config/darwin.c (machopic_legitimize_pic_address): Update
17051 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17053 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17054 when MODE isn't BLKmode.
17056 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17058 PR rtl-optimization/25367
17059 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17061 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17064 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17065 for a negative bound.
17067 2006-01-10 Richard Guenther <rguenther@suse.de>
17069 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17070 Never override with anything constraint.
17072 2006-01-10 Jan Beulich <jbeulich@novell.com>
17074 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17075 256 bits when optimize_size.
17077 2006-01-10 Jan Beulich <jbeulich@novell.com>
17079 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17081 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17082 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17085 2006-01-10 Ben Elliston <bje@au.ibm.com>
17087 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17089 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17090 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17091 (USE_FP_FOR_ARG): Reject decimal float modes.
17092 (function_arg_advance): Likewise.
17093 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17094 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17095 point types in AltiVec vectors.
17096 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17097 (rs6000_libcall_value): Likewise.
17099 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17101 * config/xtensa/ieee754-df.S: New file.
17102 * config/xtensa/ieee754-sf.S: New file.
17103 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17104 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17105 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17107 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17109 * config/sh/predicates.md (binary_float_operator,
17110 binary_logical_operator, commutative_float_operator,
17111 equality_comparison_operator, greater_comparison_operator,
17112 less_comparison_operator, logical_operator,
17113 noncommutative_float_operator, shift_operator,
17114 symbol_ref_operand, unary_float_operator): Remove redundant
17117 2006-01-09 Jeff Law <law@redhat.com>
17119 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17120 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17121 now unused arguments. Callers updated.
17122 (eliminate_redundant_computations): Remove now unused arguments,
17124 (local_fold): Remove, no longer used.
17125 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17127 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17128 (simplify_cond): New function.
17129 (forward_propagate_into_cond): Call simplify_cond.
17131 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17133 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17134 (*vec_extractv2di_1_sse): New.
17136 2006-01-09 Ben Elliston <bje@au.ibm.com>
17138 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17140 2006-01-08 Richard Guenther <rguenther@suse.de>
17142 * tree-ssa-structalias.c (get_constraint_for): Remove
17143 anyoffset argument.
17144 (get_constraint_for_component_ref): Likewise.
17145 (do_deref): Likewise.
17146 (get_constraint_for): Likewise.
17147 (do_structure_copy): Likewise.
17148 (handle_ptr_arith): Likewise.
17149 (find_func_aliases): Likewise. Remove unused need_anyoffset
17152 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17153 Kaz Kojima <kkojima@gcc.gnu.org>
17155 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17156 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17157 (EXTRA_CONSTRAINT_C16): Remove.
17158 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17159 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17160 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17161 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17162 constants of SHmedia. Handle nested constant expressions of
17164 (andcosts): Fix the costs for SHmedia constants.
17165 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17166 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17167 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17168 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17169 (movv4hi_i, movv2si_i): Likewise.
17170 (movsi_const): Adjust the second operand of ior so to match with
17171 the Csu constraint.
17172 (movdi_const, movdi_const_32bit): Likewise.
17173 (movdi_const_16bit+1): Don't sign-extend LOW.
17174 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17176 (*double_shori): Fix the split condition. Use GEN_INT instead
17177 of get_int_mode calls. Mask lower 16-bit of the argument of
17179 (sym2GOTPLT): Remove.
17180 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17182 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17183 instead of EXTRA_CONSTRAINT_C16.
17185 2006-01-07 Ian Lance Taylor <ian@airs.com>
17186 David Edelsohn <edelsohn@gnu.org>
17188 PR rtl-optimization/25662
17189 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17190 for constant operands instead of simplify_gen_binary.
17191 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17192 after trying simplify_binary_operation
17194 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17196 * tree.c (iterative_hash_expr): Hash decls based on UID.
17198 2006-01-06 Eric Christopher <echristo@apple.com>
17200 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17201 (TARGET_UNWIND_EMIT): Fix spelling.
17202 * target.h (gcc_target): Add except_table_label.
17203 * except.c (output_function_exception_table): Use.
17204 * varasm.c (default_emit_except_table_label): New.
17205 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17207 (asm_out): Add here.
17208 * output.h (default_emit_except_table_label): Prototype.
17209 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17210 * config/darwin.c (darwin_emit_except_table_label): Define.
17211 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17213 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17215 PR tree-optimization/18527
17216 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17217 number_of_iterations_special, number_of_iterations_exit):
17218 Move base and step of an iv to a single structure. Add
17219 no_overflow flag, and use it in # of iterations analysis.
17220 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17221 folded_casts argument.
17222 (simple_iv): Pass base and step in a structure. Set no_overflow
17224 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17225 Evaluate expensiveness of computing # of iterations instead of
17226 the final expression.
17227 * tree-scalar-evolution.h (affine_iv): New structure.
17228 (simple_iv): Declaration changed.
17229 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17230 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17231 find_givs_in_stmt): Changed due to simple_iv change.
17233 2006-01-06 Jeff Law <law@redhat.com>
17236 * tree-cfg.c (bsi_replace): Rename final argument from
17237 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17238 change (stmt -> orig_stmt).
17239 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17240 (bsi_remove): Add new argument. Remove EH information
17242 (verify_eh_throw_table_statements): New function.
17243 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17245 * tree-optimize.c (execute_free_cfg_annotations): Verify
17246 the EH throw statement table after removing annotations.
17247 * except.h (verify_eh_throw_table_statements): Prototype.
17248 * tree-flow.h (bsi_remove): Update prototype.
17249 * tree-vrp.c (remove_range_assertions): Add new argument to
17251 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17252 * tree-complex.c (expand_complex_div_wide): Likewise.
17253 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17254 * tree-tailcall.c (eliminate_tailcall): Likewise.
17255 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17256 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17257 * tree-nrv.c (tree_nrv): Likewise.
17258 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17259 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17260 (combine_blocks): Likewise.
17261 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17262 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17263 (cleanup_control_flow): Likewise.
17264 (remove_forwarder_block): Likewise.
17265 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17266 * tree-sra.c (sra_replace): Likewise.
17267 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17268 (forward_propagate_single_use_vars): Likewise.
17269 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17270 * tree-inline.c (expand_call_inline): Likewise.
17271 * tree-vect-transform.c (vect_transform_loop): Likewise.
17272 * tree-outof-ssa.c (rewrite_trees): Likewise.
17273 * tree-cfg.c (make_goto_expr_edges): Likewise.
17274 (cleanup_dead_labels): Likewise.
17275 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17276 (bsi_move_before, bsi_move_after): Likewise.
17277 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17278 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17280 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17283 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17285 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17286 on non gimple variables. Also add checks at the top for decls and
17288 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17290 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17291 and IMAGPART_EXPR for creating MUST_DEFs.
17292 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17293 and NAME_MEMORY_TAG separately from the DECLs.
17295 2006-01-06 Richard Guenther <rguenther@suse.de>
17297 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17298 annotation, if necessary.
17299 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17300 redundant calls to update_stmt.
17301 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17304 2006-01-05 Richard Henderson <rth@redhat.com>
17306 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17308 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17310 * c-typeck.c: Update copyright date.
17312 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17314 * c-typeck.c (build_c_cast): Always warn when casting
17315 from a pointer to an integer of different size, even if
17316 the node was constant.
17318 2006-01-05 Richard Guenther <rguenther@suse.de>
17320 PR tree-optimization/22555
17321 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17322 if one structure field is an array.
17323 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17324 operands even if we found a subvar, but ignore VOPs in this
17326 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17328 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17330 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17332 PR middle-end/24998
17333 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17335 2006-01-05 Richard Guenther <rguenther@suse.de>
17336 Diego Novillo <dnovillo@redhat.com>
17338 * tree-pass.h (TODO_remove_unused_locals): Define.
17339 * gimple-low.c (expand_var_p, remove_useless_vars,
17340 pass_remove_useless_vars): Remove. Update all users.
17341 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17342 (remove_unused_locals): New function.
17343 * tree-flow.h (remove_unused_locals): Declare.
17344 * passes.c (execute_todo): Call remove_unused_locals if
17345 TODO_remove_unused_locals is set.
17346 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17347 * tree-ssa-dce.c (pass_dce): Likewise.
17348 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17350 2006-01-05 Richard Guenther <rguenther@suse.de>
17352 * tree-flow.h (struct fieldoff): Decompose field to
17353 type, size and decl.
17354 * tree-ssa-alias.c (create_sft): Take type as parameter.
17355 (create_overlap_variables_for): Store type, size and decl
17356 in the fieldoff structure.
17357 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17358 of struct fieldoff.
17359 (push_fields_onto_fieldstack): Likewise.
17360 (create_variable_info_for): Likewise. Use offset for the
17361 SFT name if the decl is not available.
17363 2006-01-04 Paul Brook <paul@codesourcery.com>
17365 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17367 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17369 * lambda-code.c (can_put_in_inner_loop): Relax
17371 (can_put_after_inner_loop): New function.
17372 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17373 (perfect_nestify): Change to make copies and modify uses.
17375 2006-01-04 Richard Henderson <rth@redhat.com>
17377 Merge from gomp branch:
17378 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17379 via integer constant.
17380 (pragma_lex): Remove.
17381 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17382 rather than parsing it.
17383 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17384 handle_pragma_extern_prefix): Add %< %> quotes.
17385 (registered_pragmas): New.
17386 (c_register_pragma_1): New.
17387 (c_register_pragma): Use it.
17388 (c_register_pragma_with_expansion): Likewise.
17389 (c_invoke_pragma_handler): New.
17390 (init_pragma): Use cpp_register_deferred_pragma directly for
17392 * c-pragma.h (enum pragma_kind): New.
17393 (pragma_handler): New.
17394 (c_invoke_pragma_handler): Declare.
17395 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17397 * c-common.h (c_common_pch_pragma): Update decl.
17398 * Makefile.in (c-parser.o): Update dependencies.
17399 (GTFILES): Add c-pragma.h.
17400 * c-parser.c (struct c_token): Add pragma_kind.
17401 (struct c_parser): Add in_pragma.
17402 (c_lex_one_token): Always initialize keyword and pragma_kind.
17403 Extract data for CPP_PRAGMA.
17404 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17405 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17406 Don't allow CPP_PRAGMA_EOL if in_pragma.
17407 (c_parser_consume_pragma): New.
17408 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17409 (c_parser_skip_to_end_of_parameter): Likewise.
17410 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17411 (c_parser_skip_to_pragma_eol): New.
17412 (c_parser_external_declaration): Handle CPP_PRAGMA.
17413 (c_parser_compound_statement_nostart): Likewise.
17414 (c_parser_statement_after_labels): Likewise.
17415 (c_parser_pragma): New.
17416 (pragma_lex): Likewise.
17417 (c_parser_pragma_pch_preprocess): New.
17418 (c_parser_new): Merge into ...
17419 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17421 2006-01-04 Jeff Law <law@redhat.com>
17424 * tree-cfg.c (bsi_replace): Remove the original statement
17425 from the EH throw statement table.
17427 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17429 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17430 make the prototype extern "C" and add throw ().
17433 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17434 and pos non-negative and pos + len <= 32.
17435 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17436 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17437 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17440 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17441 as well as sizes not multiple of component size.
17444 * function.c (instantiate_expr): New function.
17445 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17446 walk its DECL_VALUE_EXPR with instantiate_expr.
17448 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17449 DW_OP_deref{,_size} if address isn't going to be added.
17451 2006-01-04 Ben Elliston <bje@au.ibm.com>
17453 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17454 * config/fp-bit.c: Likewise.
17456 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17458 * dominance.c: Add comment about why we use DFS numbering
17461 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17462 Richard Henderson <rth@redhat.com>
17464 Merge from gomp-branch:
17465 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17466 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17468 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17470 PR rtl-optimization/25578
17471 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17472 pass a parameter to simplify_shift_const if changing ASHIFTRT
17475 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17477 * builtins.c (get_builtin_sync_mem): New function.
17478 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17479 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17480 Call get_builtin_sync_mem to generate mem rtx.
17482 2006-01-03 Richard Guenther <rguenther@suse.de>
17485 * stmt.c (add_case_node): Make sure to clear overflow flags
17488 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17490 Merge from gomp-branch.
17491 * config/sparc/sync.md: New file.
17492 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17493 UNSPECV_LDSTUB): New constants.
17494 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17495 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17496 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17499 2006-01-03 Roger Sayle <roger@eyesopen.com>
17501 * combine.c (reg_subword_p): New predicate to test whether the
17502 destination of a set refers to a subword/piece of a register.
17503 (try_combine): Generalize the code to merge the setting of a
17504 pseudo to a constant followed by a set of a subword of that
17505 register to a constant.
17507 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17509 * basic-block.h (control_flow_graph): Change the type of
17510 x_label_to_block_map to VEC(basic_block,gc) *.
17511 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17512 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17514 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17515 VEC(basic_block,heap) *.
17516 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17517 ssa_prop_fini): Adjust the uses of cfg_blocks.
17519 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17521 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17523 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17524 hashing trees instead of a pointer hash.
17525 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17526 compare for MEM_EXPR.
17528 PR rtl-optimization/25130
17529 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17530 when comparing MEMs for GCSE
17532 2006-01-03 Ben Elliston <bje@au.ibm.com>
17534 * targhooks.h (default_decimal_float_supported_p): Declare.
17535 * targhooks.c (default_decimal_float_supported_p): Define.
17536 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17537 `default_decimal_float_supported_p'.
17538 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17540 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17542 * combine.c (apply_distributive_law <SUBREG>): Check
17543 TRULY_NOOP_TRUNCATION.
17545 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17547 * dwarf2out.c (have_switched_text_section): Delete.
17548 (have_multiple_function_sections): New.
17549 (have_location_lists): Make 'bool'.
17550 (add_AT_loc_list): Use 'true' not '1'.
17551 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17552 (output_loc_list): Use have_multiple_function_sections.
17553 (output_ranges): Likewise.
17554 (dwarf2out_begin_function): Set have_multiple_function_sections if
17556 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17557 Check function_section rather than DECL_SECTION_NAME.
17558 (dwarf2out_finish): Use have_multiple_function_sections.
17559 Don't clear have_location_lists.
17561 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17562 Jan Hubicka <jh@suse.cz>
17564 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17565 case of conditional jump jumping to the next instruction.
17566 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17567 cases of conditional jump jumping to the next instruction.
17569 2006-01-02 Jan Hubicka <jh@suse.cz>
17571 * i386.c (*_cost): Add COSTS_N_INSNS.
17572 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17574 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17577 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17579 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17581 * config/arm/arm.c (all_fpus): Fix comment typo.
17582 * config/darwin.c: Likewise.
17583 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17584 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17585 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17587 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17589 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17590 (rs6000_split_compare_and_swapqhi): New.
17591 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17592 (sync_compare_and_swapqhi_internal): New.
17593 * config/rs6000/rs6000-protos.h: Declare.